Cremona's table of elliptic curves

21840 = 2⁴ · 3 · 5 · 7 · 13

Class	r	Atkin-Lehner	Eigenvalues
21840a (4 curves)	1	2+ 3+ 5+ 7+ 13+	2+ 3+ 5+ 7+  4 13+ -2  0
Curve Equation t Generators 21840a1 [0,-1,0,49,546] 2 [10:44:1] 21840a2 [0,-1,0,-796,8320] 4 [4:72:1] 21840a3 [0,-1,0,-2616,-41184] 2 [61:150:1] 21840a4 [0,-1,0,-12496,541840] 2 [16:588:1]
21840b (4 curves)	0	2+ 3+ 5+ 7+ 13-	2+ 3+ 5+ 7+  0 13-  2 -4
Curve Equation t 21840b1 [0,-1,0,-916791,-337052970] 2 21840b2 [0,-1,0,-1212036,-101211264] 4 21840b3 [0,-1,0,4741464,-806105664] 4 21840b4 [0,-1,0,-11889456,15692828400] 2
21840c (4 curves)	0	2+ 3+ 5+ 7- 13+	2+ 3+ 5+ 7- -4 13+ -2  0
Curve Equation t 21840c1 [0,-1,0,-6391,-79034] 2 21840c2 [0,-1,0,-84516,-9422784] 4 21840c3 [0,-1,0,-67016,-13454784] 2 21840c4 [0,-1,0,-1352016,-604640784] 2
21840d (4 curves)	1	2+ 3+ 5+ 7- 13-	2+ 3+ 5+ 7-  0 13- -6 -4
Curve Equation t Generators 21840d1 [0,-1,0,-132711,-18564210] 2 [11658:56924:27] 21840d2 [0,-1,0,-132756,-18550944] 4 [1240:41496:1] 21840d3 [0,-1,0,-95256,-29290944] 4 [500:6916:1] 21840d4 [0,-1,0,-170976,-6962640] 2 [9962:330771:8]
21840e (2 curves)	1	2+ 3+ 5+ 7- 13-	2+ 3+ 5+ 7- -6 13-  0 -4
Curve Equation t Generators 21840e1 [0,-1,0,-1736,28416] 2 [20:36:1] 21840e2 [0,-1,0,-1456,37600] 2 [18:130:1]
21840f (4 curves)	2	2+ 3+ 5- 7+ 13+	2+ 3+ 5- 7+ -4 13+ -6 -4
Curve Equation t Generators 21840f1 [0,-1,0,-1100,-12000] 2 [-20:40:1]&[-15:30:1] 21840f2 [0,-1,0,-4480,104272] 4 [-63:364:1]&[-56:420:1] 21840f3 [0,-1,0,6440,523600] 2 [-39:460:1]&[-30:550:1] 21840f4 [0,-1,0,-69480,7072272] 2 [-136:3740:1]&[11334:-194138:27]
21840g (4 curves)	1	2+ 3+ 5- 7+ 13-	2+ 3+ 5- 7+  0 13- -2 -4
Curve Equation t Generators 21840g1 [0,-1,0,-260,-1248] 2 [-8:16:1] 21840g2 [0,-1,0,-1240,16000] 4 [-20:180:1] 21840g3 [0,-1,0,1280,70432] 4 [-6:250:1] 21840g4 [0,-1,0,-19440,1049760] 2 [82:18:1]
21840h (2 curves)	1	2+ 3+ 5- 7+ 13-	2+ 3+ 5- 7+  2 13-  6 -6
Curve Equation t Generators 21840h1 [0,-1,0,-280,1792] 2 [-18:26:1] 21840h2 [0,-1,0,240,7200] 2 [12:108:1]
21840i (2 curves)	1	2+ 3+ 5- 7- 13+	2+ 3+ 5- 7-  2 13+ -2 -6
Curve Equation t Generators 21840i1 [0,-1,0,-840,9600] 2 [-10:130:1] 21840i2 [0,-1,0,-320,20832] 2 [44:-300:1]
21840j (6 curves)	0	2+ 3+ 5- 7- 13-	2+ 3+ 5- 7-  4 13-  2 -4
Curve Equation t 21840j1 [0,-1,0,65,-3458] 2 21840j2 [0,-1,0,-3060,-62208] 4 21840j3 [0,-1,0,-7560,168192] 8 21840j4 [0,-1,0,-48560,-4102608] 2 21840j5 [0,-1,0,21840,1132512] 4 21840j6 [0,-1,0,-108960,13877472] 4
21840k (4 curves)	0	2+ 3- 5+ 7+ 13+	2+ 3- 5+ 7+  0 13+ -6 -8
Curve Equation t 21840k1 [0,1,0,-1614796,-790352116] 2 21840k2 [0,1,0,-1614816,-790331580] 4 21840k3 [0,1,0,-1526936,-880074636] 2 21840k4 [0,1,0,-1703016,-699273900] 2
21840l (4 curves)	0	2+ 3- 5+ 7+ 13+	2+ 3- 5+ 7+ -4 13+  6 -8
Curve Equation t 21840l1 [0,1,0,9729,-398196] 2 21840l2 [0,1,0,-58716,-3902580] 4 21840l3 [0,1,0,-351216,76944420] 2 21840l4 [0,1,0,-861336,-307935036] 2
21840m (2 curves)	1	2+ 3- 5+ 7+ 13-	2+ 3- 5+ 7+ -2 13- -2  6
Curve Equation t Generators 21840m1 [0,1,0,-19656,492804] 2 [0:702:1] 21840m2 [0,1,0,68224,3761940] 2 [-26:1404:1]
21840n (2 curves)	1	2+ 3- 5+ 7+ 13-	2+ 3- 5+ 7+ -2 13-  4  0
Curve Equation t Generators 21840n1 [0,1,0,-176,804] 2 [-8:42:1] 21840n2 [0,1,0,104,3380] 2 [2:60:1]
21840o (4 curves)	1	2+ 3- 5+ 7- 13+	2+ 3- 5+ 7-  0 13+  2  0
Curve Equation t Generators 21840o1 [0,1,0,-4956,-8820] 2 [-21:294:1] 21840o2 [0,1,0,-52976,4658724] 4 [-56:2730:1] 21840o3 [0,1,0,-27496,9173780] 2 [-28:3150:1] 21840o4 [0,1,0,-846776,299634804] 2 [532:42:1]
21840p (4 curves)	1	2+ 3- 5+ 7- 13+	2+ 3- 5+ 7-  4 13+ -6  8
Curve Equation t Generators 21840p1 [0,1,0,49,0] 2 [2352:22148:27] 21840p2 [0,1,0,-196,-196] 4 [-13:18:1] 21840p3 [0,1,0,-2296,-43036] 2 [2810:52221:8] 21840p4 [0,1,0,-2016,34020] 2 [-48:150:1]
21840q (4 curves)	1	2+ 3- 5+ 7- 13+	2+ 3- 5+ 7- -4 13+  6  4
Curve Equation t Generators 21840q1 [0,1,0,44,1340] 2 [-1:36:1] 21840q2 [0,1,0,-1576,22724] 4 [-16:210:1] 21840q3 [0,1,0,-4096,-71020] 2 [-28:150:1] 21840q4 [0,1,0,-24976,1510964] 2 [92:18:1]
21840r (4 curves)	1	2+ 3- 5- 7+ 13+	2+ 3- 5- 7+  0 13+ -2  4
Curve Equation t Generators 21840r1 [0,1,0,2820,17100] 2 [30:360:1] 21840r2 [0,1,0,-11760,127908] 4 [-54:780:1] 21840r3 [0,1,0,-110040,-13985100] 2 [-180:150:1] 21840r4 [0,1,0,-146760,21565908] 2 [276:1470:1]
21840s (6 curves)	0	2+ 3- 5- 7+ 13-	2+ 3- 5- 7+  4 13-  2 -4
Curve Equation t 21840s1 [0,1,0,-735,-10272] 2 21840s2 [0,1,0,-12740,-557700] 4 21840s3 [0,1,0,-13720,-467932] 8 21840s4 [0,1,0,-203840,-35490780] 2 21840s5 [0,1,0,33600,-2947500] 4 21840s6 [0,1,0,-76720,7772468] 4
21840t (4 curves)	0	2+ 3- 5- 7+ 13-	2+ 3- 5- 7+  4 13-  2 -4
Curve Equation t 21840t1 [0,1,0,-455,3588] 2 21840t2 [0,1,0,-460,3500] 4 21840t3 [0,1,0,240,13860] 4 21840t4 [0,1,0,-1240,-12412] 2
21840u (4 curves)	0	2+ 3- 5- 7- 13+	2+ 3- 5- 7-  0 13+ -6  0
Curve Equation t 21840u1 [0,1,0,-10655,-426900] 2 21840u2 [0,1,0,-10780,-416500] 4 21840u3 [0,1,0,6120,-1585980] 4 21840u4 [0,1,0,-29680,1420580] 2
21840v (4 curves)	1	2+ 3- 5- 7- 13-	2+ 3- 5- 7-  0 13- -6  0
Curve Equation t Generators 21840v1 [0,1,0,-260,828] 2 [18:48:1] 21840v2 [0,1,0,-3640,83300] 4 [8:234:1] 21840v3 [0,1,0,-3120,108468] 4 [-34:420:1] 21840v4 [0,1,0,-58240,5390420] 2 [148:186:1]
21840w (4 curves)	0	2- 3+ 5+ 7+ 13+	2- 3+ 5+ 7+  0 13+  2 -4
Curve Equation t 21840w1 [0,-1,0,-479136,127814400] 2 21840w2 [0,-1,0,-479456,127635456] 4 21840w3 [0,-1,0,-290176,229240960] 2 21840w4 [0,-1,0,-673856,14572416] 2
21840x (4 curves)	0	2- 3+ 5+ 7+ 13+	2- 3+ 5+ 7+  0 13+  2 -4
Curve Equation t 21840x1 [0,-1,0,-5094976,3518479360] 2 21840x2 [0,-1,0,-26066496,-48138568704] 4 21840x3 [0,-1,0,22389184,-206646789120] 2 21840x4 [0,-1,0,-410066496,-3196016968704] 2
21840y (4 curves)	0	2- 3+ 5+ 7+ 13+	2- 3+ 5+ 7+  0 13+  2  8
Curve Equation t 21840y1 [0,-1,0,-9896,-374160] 2 21840y2 [0,-1,0,-15016,60016] 4 21840y3 [0,-1,0,59864,419440] 2 21840y4 [0,-1,0,-171816,27405936] 2
21840z (2 curves)	0	2- 3+ 5+ 7+ 13+	2- 3+ 5+ 7+  0 13+  2  8
Curve Equation t 21840z1 [0,-1,0,-1,-44] 2 21840z2 [0,-1,0,-196,-980] 2
21840ba (4 curves)	0	2- 3+ 5+ 7+ 13+	2- 3+ 5+ 7+  4 13+  2  0
Curve Equation t 21840ba1 [0,-1,0,-16336,801280] 2 21840ba2 [0,-1,0,-29856,-702144] 4 21840ba3 [0,-1,0,110544,-5531904] 2 21840ba4 [0,-1,0,-386576,-92307840] 2
21840bb (4 curves)	1	2- 3+ 5+ 7+ 13-	2- 3+ 5+ 7+  0 13-  0  4
Curve Equation t Generators 21840bb1 [0,-1,0,-1261,-27764] 2 [2458:42705:8] 21840bb2 [0,-1,0,-23556,-1383300] 2 [1890666:29128825:5832] 21840bb3 [0,-1,0,10499,485560] 2 [-86:4875:8] 21840bb4 [0,-1,0,-66396,4853196] 2 [-27:2574:1]
21840bc (4 curves)	1	2- 3+ 5+ 7+ 13-	2- 3+ 5+ 7+  0 13-  2 -4
Curve Equation t Generators 21840bc1 [0,-1,0,104,-464] 2 [13:54:1] 21840bc2 [0,-1,0,-616,-3920] 4 [-14:42:1] 21840bc3 [0,-1,0,-3736,85936] 2 [66:350:1] 21840bc4 [0,-1,0,-9016,-326480] 2 [-54:2:1]
21840bd (8 curves)	1	2- 3+ 5+ 7+ 13-	2- 3+ 5+ 7+  0 13- -6  4
Curve Equation t Generators 21840bd1 [0,-1,0,-54776,-7269264] 2 [140083020:-991692288:456533] 21840bd2 [0,-1,0,-987896,-377531280] 4 [33818:6216210:1] 21840bd3 [0,-1,0,444184,108416880] 2 [221:14742:1] 21840bd4 [0,-1,0,-1100216,-286237584] 2 [11599798:-2132119550:343] 21840bd5 [0,-1,0,-15805496,-24180523920] 2 [-9577660414:-3335618:4173281] 21840bd6 [0,-1,0,-2504936,1019105136] 4 [-742:49686:1] 21840bd7 [0,-1,0,-36250856,84007071600] 2 [5914:276458:1] 21840bd8 [0,-1,0,-15944936,-23731998864] 2 [5650:257894:1]
21840be (6 curves)	1	2- 3+ 5+ 7+ 13-	2- 3+ 5+ 7+  6 13-  6 -2
Curve Equation t Generators 21840be1 [0,-1,0,-229496,-42240144] 2 [1647668:52724464:1331] 21840be2 [0,-1,0,-227416,-43045520] 2 [4788:329560:1] 21840be3 [0,-1,0,-292136,-17308560] 2 [-86:2678:1] 21840be4 [0,-1,0,1113944,-136544144] 2 [148:5616:1] 21840be5 [0,-1,0,-13636376,19386011376] 2 [53955212:-5368524800:4913] 21840be6 [0,-1,0,-13103896,20968967920] 2 [-3380:163200:1]
21840bf (4 curves)	1	2- 3+ 5+ 7+ 13-	2- 3+ 5+ 7+ -6 13-  0 -8
Curve Equation t Generators 21840bf1 [0,-1,0,-12136,235120] 2 [4:432:1] 21840bf2 [0,-1,0,42744,1727856] 2 [26:1690:1] 21840bf3 [0,-1,0,-823576,287950576] 2 [460:2496:1] 21840bf4 [0,-1,0,-819096,291233520] 2 [474:3042:1]
21840bg (4 curves)	1	2- 3+ 5+ 7- 13+	2- 3+ 5+ 7-  4 13+ -2  4
Curve Equation t Generators 21840bg1 [0,-1,0,1024,0] 2 [1:32:1] 21840bg2 [0,-1,0,-4096,4096] 4 [-62:126:1] 21840bg3 [0,-1,0,-44416,-3576320] 2 [-126:62:1] 21840bg4 [0,-1,0,-45696,3764736] 2 [48:1296:1]
21840bh (4 curves)	1	2- 3+ 5+ 7- 13+	2- 3+ 5+ 7-  4 13+ -2 -8
Curve Equation t Generators 21840bh1 [0,-1,0,-2222242296,-40320592853904] 2 [10254200422398321180:2123148355988660453376:131476232110049] 21840bh2 [0,-1,0,-2238298616,-39708346104720] 4 [419081951083024655875456934010106:86712485300978878903186796884929342:5371239376902014723395887929] 21840bh3 [0,-1,0,561701384,-132426426104720] 2 [84999446363658293267189102455366828081217983678568819898952094:49297295738157080522798712128786793444387193127633709186038410578:253072455255064669695046871086887243482036944531128224359] 21840bh4 [0,-1,0,-5295199736,92193268941936] 2 [41174118567650009339701830640242177095676882423100106180756195763778:-23446328374127806052338011437482074283028697992447019788907214355468750:121428488250335267957362498083157747632409017339344435994529033]
21840bi (4 curves)	1	2- 3+ 5+ 7- 13+	2- 3+ 5+ 7- -4 13+  6 -8
Curve Equation t Generators 21840bi1 [0,-1,0,-456,-720] 2 [-6:42:1] 21840bi2 [0,-1,0,-4376,112176] 4 [-4:360:1] 21840bi3 [0,-1,0,-1576,251056] 2 [10:486:1] 21840bi4 [0,-1,0,-69896,7135920] 2 [154:22:1]
21840bj (2 curves)	1	2- 3+ 5+ 7- 13+	2- 3+ 5+ 7- -6 13+ -2  2
Curve Equation t Generators 21840bj1 [0,-1,0,-1576,23920] 2 [-6:182:1] 21840bj2 [0,-1,0,504,80496] 2 [-4:280:1]
21840bk (8 curves)	0	2- 3+ 5- 7+ 13-	2- 3+ 5- 7+  0 13-  6  4
Curve Equation t 21840bk1 [0,-1,0,-411600,-100957248] 2 21840bk2 [0,-1,0,-662480,36926400] 4 21840bk3 [0,-1,0,-2542800,1493548992] 2 21840bk4 [0,-1,0,2603440,290361792] 4 21840bk5 [0,-1,0,-7942480,8604030400] 2 21840bk6 [0,-1,0,-40190480,98082436800] 4 21840bk7 [0,-1,0,-39696560,100610121792] 4 21840bk8 [0,-1,0,-643047280,6276641208640] 2
21840bl (4 curves)	0	2- 3+ 5- 7+ 13-	2- 3+ 5- 7+  0 13-  6  4
Curve Equation t 21840bl1 [0,-1,0,175,-1848] 2 21840bl2 [0,-1,0,-1580,-20100] 2 21840bl3 [0,-1,0,-1625,58812] 2 21840bl4 [0,-1,0,-34580,2484300] 2
21840bm (2 curves)	0	2- 3+ 5- 7- 13+	2- 3+ 5- 7- -2 13+ -4 -4
Curve Equation t 21840bm1 [0,-1,0,-32880,-2283840] 2 21840bm2 [0,-1,0,-31760,-2447808] 2
21840bn (2 curves)	0	2- 3+ 5- 7- 13+	2- 3+ 5- 7- -2 13+  6  6
Curve Equation t 21840bn1 [0,-1,0,-36917440,86344686592] 2 21840bn2 [0,-1,0,-34787520,96743808000] 2
21840bo (2 curves)	0	2- 3+ 5- 7- 13+	2- 3+ 5- 7-  4 13+ -6  0
Curve Equation t 21840bo1 [0,-1,0,-105,612] 2 21840bo2 [0,-1,0,-1860,31500] 2
21840bp (4 curves)	1	2- 3+ 5- 7- 13-	2- 3+ 5- 7- -4 13- -2 -4
Curve Equation t Generators 21840bp1 [0,-1,0,-2280,42672] 2 [29:10:1] 21840bp2 [0,-1,0,-2360,39600] 4 [-20:280:1] 21840bp3 [0,-1,0,3640,202800] 4 [10:490:1] 21840bp4 [0,-1,0,-9640,-321488] 2 [-46:150:1]
21840bq (4 curves)	1	2- 3- 5+ 7+ 13+	2- 3- 5+ 7+ -4 13+  2 -4
Curve Equation t Generators 21840bq1 [0,1,0,-7736,24660] 2 [-9:306:1] 21840bq2 [0,1,0,-89656,10281044] 4 [4:3150:1] 21840bq3 [0,1,0,-56376,18041940] 2 [-186:4704:1] 21840bq4 [0,1,0,-1433656,660239444] 2 [772:3762:1]
21840br (2 curves)	1	2- 3- 5+ 7+ 13+	2- 3- 5+ 7+ -4 13+ -4  0
Curve Equation t Generators 21840br1 [0,1,0,4139,-42490] 2 [1382:51450:1] 21840br2 [0,1,0,-18156,-372456] 2 [-33:438:1]
21840bs (2 curves)	0	2- 3- 5+ 7+ 13-	2- 3- 5+ 7+  2 13-  6  2
Curve Equation t 21840bs1 [0,1,0,-194656,32976500] 2 21840bs2 [0,1,0,-161376,44651124] 2
21840bt (2 curves)	0	2- 3- 5+ 7+ 13-	2- 3- 5+ 7+ -2 13-  4  8
Curve Equation t 21840bt1 [0,1,0,-1202936,-500805420] 2 21840bt2 [0,1,0,-56056,-1415098156] 2
21840bu (4 curves)	0	2- 3- 5+ 7+ 13-	2- 3- 5+ 7+  4 13- -2 -4
Curve Equation t 21840bu1 [0,1,0,104,-13420] 2 21840bu2 [0,1,0,-7896,-266220] 4 21840bu3 [0,1,0,-18296,569940] 2 21840bu4 [0,1,0,-125496,-17153580] 2
21840bv (2 curves)	0	2- 3- 5+ 7- 13+	2- 3- 5+ 7-  2 13+ -2  2
Curve Equation t 21840bv1 [0,1,0,-736,6260] 2 21840bv2 [0,1,0,1344,37044] 2
21840bw (4 curves)	0	2- 3- 5+ 7- 13+	2- 3- 5+ 7-  4 13+  6  0
Curve Equation t 21840bw1 [0,1,0,-363496,-76199116] 2 21840bw2 [0,1,0,-1367016,532736820] 4 21840bw3 [0,1,0,2261784,2882747700] 2 21840bw4 [0,1,0,-21052136,37170682164] 2
21840bx (4 curves)	0	2- 3- 5+ 7- 13+	2- 3- 5+ 7- -4 13+ -2 -4
Curve Equation t 21840bx1 [0,1,0,2025904,-21326215020] 2 21840bx2 [0,1,0,-104142416,-397459339116] 4 21840bx3 [0,1,0,-253902416,1004234356884] 2 21840bx4 [0,1,0,-1653075536,-25869974284140] 2
21840by (4 curves)	1	2- 3- 5+ 7- 13-	2- 3- 5+ 7-  0 13-  2  4
Curve Equation t Generators 21840by1 [0,1,0,-3736,72404] 2 [-58:312:1] 21840by2 [0,1,0,-17256,-809100] 4 [-84:234:1] 21840by3 [0,1,0,19144,-3735660] 2 [196:2754:1] 21840by4 [0,1,0,-269976,-54082476] 2 [-300:18:1]
21840bz (2 curves)	1	2- 3- 5+ 7- 13-	2- 3- 5+ 7-  2 13-  0 -4
Curve Equation t Generators 21840bz1 [0,1,0,-1456,-17836] 2 [-28:42:1] 21840bz2 [0,1,0,3024,-102060] 2 [66:624:1]
21840ca (4 curves)	1	2- 3- 5+ 7- 13-	2- 3- 5+ 7- -4 13-  6 -4
Curve Equation t Generators 21840ca1 [0,1,0,-7896,342804] 2 [119:1050:1] 21840ca2 [0,1,0,-135896,19235604] 4 [22:4032:1] 21840ca3 [0,1,0,-145496,16351764] 2 [390:4368:1] 21840ca4 [0,1,0,-2174296,1233306644] 2 [932:4158:1]
21840cb (4 curves)	1	2- 3- 5+ 7- 13-	2- 3- 5+ 7- -4 13- -6  8
Curve Equation t Generators 21840cb1 [0,1,0,-11520696,-7628493996] 2 [-2970:19968:1] 21840cb2 [0,1,0,-157753016,-762362743980] 4 [-7364:6786:1] 21840cb3 [0,1,0,-131470136,-1024697425836] 2 [15100:658242:1] 21840cb4 [0,1,0,-2523753016,-48800680343980] 2 [584084:-444679794:1]
21840cc (4 curves)	0	2- 3- 5- 7+ 13+	2- 3- 5- 7+  0 13+ -2  4
Curve Equation t 21840cc1 [0,1,0,-40,-2380] 2 21840cc2 [0,1,0,-2920,-61132] 4 21840cc3 [0,1,0,-5320,51188] 2 21840cc4 [0,1,0,-46600,-3887500] 2
21840cd (2 curves)	0	2- 3- 5- 7+ 13+	2- 3- 5- 7+ -4 13+  2 -8
Curve Equation t 21840cd1 [0,1,0,5095,-123222] 2 21840cd2 [0,1,0,-27860,-1164600] 2
21840ce (2 curves)	0	2- 3- 5- 7+ 13+	2- 3- 5- 7+  6 13+  4 -8
Curve Equation t 21840ce1 [0,1,0,-24553480,-44363173900] 2 21840ce2 [0,1,0,18472440,-183233633292] 2
21840cf (2 curves)	1	2- 3- 5- 7+ 13-	2- 3- 5- 7+ -2 13-  6 -2
Curve Equation t Generators 21840cf1 [0,1,0,-2280,28980] 2 [-12:234:1] 21840cf2 [0,1,0,6040,198708] 2 [-2:432:1]
21840cg (6 curves)	1	2- 3- 5- 7+ 13-	2- 3- 5- 7+  4 13- -6  4
Curve Equation t Generators 21840cg1 [0,1,0,-5920,-2764300] 2 [87560:573375:512] 21840cg2 [0,1,0,-333600,-73674252] 4 [731:8580:1] 21840cg3 [0,1,0,-584480,51866100] 8 [-785:5250:1] 21840cg4 [0,1,0,-5325600,-4732208652] 2 [16091:2018940:1] 21840cg5 [0,1,0,2215520,406906100] 8 [-145:9090:1] 21840cg6 [0,1,0,-7398560,7735422708] 4 [64111:16218750:1]
21840ch (6 curves)	1	2- 3- 5- 7+ 13-	2- 3- 5- 7+ -4 13-  2  4
Curve Equation t Generators 21840ch1 [0,1,0,2400,-247500] 2 [90:840:1] 21840ch2 [0,1,0,-47600,-3787500] 4 [-140:390:1] 21840ch3 [0,1,0,-145600,16714100] 8 [-325:5460:1] 21840ch4 [0,1,0,-749600,-250049100] 2 [-500:30:1] 21840ch5 [0,1,0,327600,103215060] 4 [-117:7956:1] 21840ch6 [0,1,0,-2186800,1243883540] 4 [884:1530:1]
21840ci (2 curves)	1	2- 3- 5- 7- 13+	2- 3- 5- 7-  2 13+ -2  2
Curve Equation t Generators 21840ci1 [0,1,0,-130040,-17787180] 2 [-212:546:1] 21840ci2 [0,1,0,3080,-52345132] 2 [518:9408:1]
21840cj (2 curves)	1	2- 3- 5- 7- 13+	2- 3- 5- 7-  2 13+ -8 -4
Curve Equation t Generators 21840cj1 [0,1,0,-3680,-21900] 2 [-20:210:1] 21840cj2 [0,1,0,14240,-158092] 2 [26:480:1]
21840ck (6 curves)	0	2- 3- 5- 7- 13-	2- 3- 5- 7-  4 13-  2 -4
Curve Equation t 21840ck1 [0,1,0,-6000,-180780] 2 21840ck2 [0,1,0,-7280,-99372] 4 21840ck3 [0,1,0,26320,-731052] 2 21840ck4 [0,1,0,-61360,5762900] 8 21840ck5 [0,1,0,-9360,15268500] 4 21840ck6 [0,1,0,-978640,372307988] 4
21840cl (8 curves)	0	2- 3- 5- 7- 13-	2- 3- 5- 7- -4 13-  2  4
Curve Equation t 21840cl1 [0,1,0,-348160,-80234572] 2 21840cl2 [0,1,0,-5591040,-5090330700] 4 21840cl3 [0,1,0,-5611520,-5051181132] 8 21840cl4 [0,1,0,-89456640,-325691746380] 2 21840cl5 [0,1,0,-531200,-13852327500] 4 21840cl6 [0,1,0,-11019520,6255865268] 8 21840cl7 [0,1,0,38921280,47267250228] 4 21840cl8 [0,1,0,-147488320,688981977908] 4
21840cm (2 curves)	0	2- 3- 5- 7- 13-	2- 3- 5- 7- -4 13-  8  4
Curve Equation t 21840cm1 [0,1,0,-5,150] 2 21840cm2 [0,1,0,-460,3608] 2

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations