Cremona's table of elliptic curves

28880 = 2⁴ · 5 · 19²

Class	r	Atkin-Lehner	Eigenvalues
28880a (1 curve)	1	2+ 5+ 19+	2+  2 5+  0 -5 -2 -2 19+
Curve Equation t Generators 28880a1 [0,-1,0,-481,2781] 1 [156:343:27]
28880b (1 curve)	0	2+ 5+ 19-	2+ -2 5+  0 -5  2 -2 19-
Curve Equation t 28880b1 [0,1,0,-173761,-18032565] 1
28880c (1 curve)	0	2+ 5- 19+	2+  1 5- -1 -2  1 -5 19+
Curve Equation t 28880c1 [0,1,0,-592160,-178293100] 1
28880d (1 curve)	0	2+ 5- 19+	2+  1 5-  2 -5  6 -6 19+
Curve Equation t 28880d1 [0,1,0,-317800,-69427052] 1
28880e (1 curve)	2	2+ 5- 19+	2+ -1 5- -1 -2 -1 -5 19+
Curve Equation t Generators 28880e1 [0,-1,0,-1640,26512] 1 [32:-76:1]&[-16:220:1]
28880f (1 curve)	0	2+ 5- 19+	2+  2 5- -4 -1 -4  4 19+
Curve Equation t 28880f1 [0,-1,0,-9145,254037] 1
28880g (4 curves)	1	2+ 5- 19-	2+  0 5-  0  4  6 -6 19-
Curve Equation t Generators 28880g1 [0,0,0,-722,144039] 2 [754:7645:8] 28880g2 [0,0,0,-45847,3745014] 4 [1638934:6161175:10648] 28880g3 [0,0,0,-81947,-2976806] 2 [-25555:285912:125] 28880g4 [0,0,0,-731747,240929234] 4 [40385086120126:6903298155195:81407931704]
28880h (4 curves)	1	2+ 5- 19-	2+  0 5-  4 -4  2  2 19-
Curve Equation t Generators 28880h1 [0,0,0,-722,6859] 2 [-6783:39710:343] 28880h2 [0,0,0,-2527,-41154] 4 [218922:2659650:1331] 28880h3 [0,0,0,4693,-233206] 2 [643:16390:1] 28880h4 [0,0,0,-38627,-2921934] 2 [13395:270028:27]
28880i (1 curve)	1	2+ 5- 19-	2+ -1 5-  2 -5 -6 -6 19-
Curve Equation t Generators 28880i1 [0,-1,0,-880,10400] 1 [20:-20:1]
28880j (2 curves)	1	2+ 5- 19-	2+  2 5- -4  4  0  6 19-
Curve Equation t Generators 28880j1 [0,-1,0,1685,10362] 2 [992126658:-26746544150:1367631] 28880j2 [0,-1,0,-7340,93392] 2 [538276:6502332:50653]
28880k (2 curves)	1	2+ 5- 19-	2+ -2 5-  0  4 -4 -2 19-
Curve Equation t Generators 28880k1 [0,1,0,-12755,474100] 2 [10:5415:8] 28880k2 [0,1,0,21540,2614108] 2 [766:-21660:1]
28880l (1 curve)	1	2+ 5- 19-	2+ -2 5- -4 -1  4  4 19-
Curve Equation t Generators 28880l1 [0,1,0,-25,-45] 1 [-2:1:1]
28880m (2 curves)	1	2+ 5- 19-	2+ -2 5- -4 -4  4 -2 19-
Curve Equation t Generators 28880m1 [0,1,0,-9398755,-11102802900] 2 [1722837080:-178029406250:148877] 28880m2 [0,1,0,-150414380,-710089052900] 2 [-1054217170:-3429500:148877]
28880n (1 curve)	1	2+ 5- 19-	2+  3 5-  1 -4 -1 -7 19-
Curve Equation t Generators 28880n1 [0,0,0,-24187,6351434] 1 [-114:68590:27]
28880o (2 curves)	0	2- 5+ 19+	2-  0 5+ -1 -5  2  0 19+
Curve Equation t 28880o1 [0,0,0,-116603,-15377878] 1 28880o2 [0,0,0,-116603,1269065898] 1
28880p (1 curve)	0	2- 5+ 19+	2-  1 5+ -2  3  6  2 19+
Curve Equation t 28880p1 [0,1,0,889384,319505684] 1
28880q (2 curves)	0	2- 5+ 19+	2-  2 5+  4 -3  2  6 19+
Curve Equation t 28880q1 [0,-1,0,-585301,-172098915] 1 28880q2 [0,-1,0,-1682741,626178941] 1
28880r (1 curve)	0	2- 5+ 19+	2- -2 5+  4  3  6  2 19+
Curve Equation t 28880r1 [0,1,0,-36581,-2695841] 1
28880s (2 curves)	1	2- 5+ 19-	2-  0 5+ -1 -5 -2  0 19-
Curve Equation t Generators 28880s1 [0,0,0,-323,2242] 1 [9:-8:1] 28880s2 [0,0,0,-323,-185022] 1 [161:1984:1]
28880t (2 curves)	1	2- 5+ 19-	2-  0 5+  2  4  4  6 19-
Curve Equation t Generators 28880t1 [0,0,0,-2888,-20577] 2 [-9445831:-12936074:1295029] 28880t2 [0,0,0,-37183,-2757318] 2 [-14366992772042:830136242097:126052942744]
28880u (1 curve)	1	2- 5+ 19-	2- -1 5+  1  0  3 -7 19-
Curve Equation t Generators 28880u1 [0,-1,0,8544,572800] 1 [184:2888:1]
28880v (1 curve)	1	2- 5+ 19-	2- -1 5+ -2  3 -6  2 19-
Curve Equation t Generators 28880v1 [0,-1,0,2464,-47360] 1 [18:50:1]
28880w (2 curves)	1	2- 5+ 19-	2-  2 5+ -2  0 -6  2 19-
Curve Equation t Generators 28880w1 [0,-1,0,-332601,68967860] 2 [146779930983024:3899721756215798:150483876759] 28880w2 [0,-1,0,319004,305630796] 2 [4150046939377983522006804570:170107969651133953003568514557:5231913862565788392888648]
28880x (1 curve)	1	2- 5+ 19-	2-  2 5+  4  3 -6  2 19-
Curve Equation t Generators 28880x1 [0,-1,0,-101,425] 1 [1:18:1]
28880y (4 curves)	1	2- 5+ 19-	2- -2 5+ -2  0 -2 -6 19-
Curve Equation t Generators 28880y1 [0,1,0,-481,2634] 2 [82:722:1] 28880y2 [0,1,0,1324,19240] 2 [7:170:1] 28880y3 [0,1,0,-14921,-706370] 2 [3810:3610:27] 28880y4 [0,1,0,-13116,-881816] 2 [3763830:3639241:27000]
28880z (2 curves)	1	2- 5+ 19-	2- -2 5+  4 -3 -2  6 19-
Curve Equation t Generators 28880z1 [0,1,0,-1621,24579] 1 [22:7:1] 28880z2 [0,1,0,-4661,-92765] 1 [-1230:4445:27]
28880ba (1 curve)	1	2- 5+ 19-	2- -3 5+  5  4  1 -3 19-
Curve Equation t Generators 28880ba1 [0,0,0,-275443,59412658] 1 [399:3610:1]
28880bb (1 curve)	1	2- 5- 19+	2-  1 5-  3 -2  5 -5 19+
Curve Equation t Generators 28880bb1 [0,1,0,26480,1614100] 1 [450:10240:1]
28880bc (1 curve)	1	2- 5- 19+	2- -1 5-  3 -2 -5 -5 19+
Curve Equation t Generators 28880bc1 [0,-1,0,9559160,-11013756688] 1 [71962:7167655:8]
28880bd (2 curves)	1	2- 5- 19+	2-  2 5-  0  4 -2 -2 19+
Curve Equation t Generators 28880bd1 [0,-1,0,-9145,645000] 2 [5856143190:264496391175:2863288] 28880bd2 [0,-1,0,-180620,29589980] 2 [152277046496985772290:6774912128084424656437:73881803586681000]
28880be (2 curves)	1	2- 5- 19+	2- -2 5-  0  4  2 -2 19+
Curve Equation t Generators 28880be1 [0,1,0,-25,-102] 2 [298:1825:8] 28880be2 [0,1,0,-500,-4472] 2 [40290:205933:1000]
28880bf (2 curves)	0	2- 5- 19-	2-  1 5-  1  0  1 -3 19-
Curve Equation t 28880bf1 [0,1,0,-173400,-42857452] 1 28880bf2 [0,1,0,-16057400,-24771646252] 1

Data from Elliptic Curve Data by J. E. Cremona.
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