Cremona's table of elliptic curves

16720 = 2⁴ · 5 · 11 · 19

Class	r	Atkin-Lehner	Eigenvalues
16720a (2 curves)	1	2+ 5+ 11+ 19+	2+  0 5+  2 11+  6  6 19+
Curve Equation t Generators 16720a1 [0,0,0,-9077363,-10526587838] 2 [150574320193871649:-12372315590394478556:18721506214377] 16720a2 [0,0,0,-9052363,-10587452838] 2 [664127789:28945733916:148877]
16720b (2 curves)	1	2+ 5+ 11+ 19+	2+  0 5+ -4 11+  6  0 19+
Curve Equation t Generators 16720b1 [0,0,0,17,78] 2 [-2:6:1] 16720b2 [0,0,0,-203,1002] 2 [-13:38:1]
16720c (2 curves)	1	2+ 5+ 11+ 19+	2+  2 5+  2 11+ -2  0 19+
Curve Equation t Generators 16720c1 [0,-1,0,-71,-190] 2 [-1074:847:216] 16720c2 [0,-1,0,-1116,-13984] 2 [71731:375270:1331]
16720d (2 curves)	1	2+ 5+ 11+ 19+	2+  2 5+  2 11+ -2  4 19+
Curve Equation t Generators 16720d1 [0,-1,0,-26111,1632686] 2 [12318:123299:216] 16720d2 [0,-1,0,-27156,1496000] 2 [14770074:-139019113:287496]
16720e (1 curve)	1	2+ 5+ 11+ 19+	2+ -3 5+  2 11+  3 -6 19+
Curve Equation t Generators 16720e1 [0,0,0,-119563,-19537382] 1 [561:9484:1]
16720f (1 curve)	2	2+ 5+ 11+ 19-	2+ -1 5+ -5 11+  3 -3 19-
Curve Equation t Generators 16720f1 [0,-1,0,264,1936] 1 [0:44:1]&[16:100:1]
16720g (2 curves)	0	2+ 5+ 11+ 19-	2+  2 5+ -2 11+ -2 -4 19-
Curve Equation t 16720g1 [0,-1,0,-111,-10] 2 16720g2 [0,-1,0,-1156,15456] 2
16720h (2 curves)	0	2+ 5+ 11+ 19-	2+  2 5+ -2 11+  6  0 19-
Curve Equation t 16720h1 [0,-1,0,-1021031,396079706] 2 16720h2 [0,-1,0,-16320876,25383786560] 2
16720i (2 curves)	2	2+ 5+ 11+ 19-	2+ -2 5+  0 11+ -2 -4 19-
Curve Equation t Generators 16720i1 [0,1,0,-56,100] 2 [-8:10:1]&[-6:16:1] 16720i2 [0,1,0,144,820] 2 [-1:26:1]&[6:44:1]
16720j (2 curves)	2	2+ 5+ 11- 19+	2+ -2 5+ -2 11- -2 -8 19+
Curve Equation t Generators 16720j1 [0,1,0,-76,-276] 2 [-5:2:1]&[10:8:1] 16720j2 [0,1,0,-176,484] 2 [-14:20:1]&[-8:38:1]
16720k (2 curves)	1	2+ 5+ 11- 19-	2+  2 5+ -2 11- -2  4 19-
Curve Equation t Generators 16720k1 [0,-1,0,-236,-64] 2 [2378:40875:8] 16720k2 [0,-1,0,-2736,-54064] 2 [68:264:1]
16720l (2 curves)	0	2+ 5- 11+ 19+	2+ -2 5- -4 11+  4  6 19+
Curve Equation t 16720l1 [0,1,0,-195,-1112] 2 16720l2 [0,1,0,-100,-2100] 2
16720m (4 curves)	1	2+ 5- 11+ 19-	2+  0 5-  0 11+  2  2 19-
Curve Equation t Generators 16720m1 [0,0,0,118,119] 2 [5781:84700:27] 16720m2 [0,0,0,-487,966] 4 [22:30:1] 16720m3 [0,0,0,-4667,-121926] 2 [-37:10:1] 16720m4 [0,0,0,-5987,178066] 4 [6866:200355:8]
16720n (1 curve)	1	2+ 5- 11+ 19-	2+ -1 5- -2 11+ -5  2 19-
Curve Equation t Generators 16720n1 [0,-1,0,0,352] 1 [4:20:1]
16720o (2 curves)	1	2+ 5- 11+ 19-	2+  2 5-  4 11+ -4 -6 19-
Curve Equation t Generators 16720o1 [0,-1,0,-275,-28798] 2 [2522:44625:8] 16720o2 [0,-1,0,-15900,-760048] 2 [-76:60:1]
16720p (2 curves)	0	2+ 5- 11- 19-	2+  2 5-  4 11-  4 -2 19-
Curve Equation t 16720p1 [0,-1,0,215325,-552956698] 2 16720p2 [0,-1,0,-8935300,-9948818448] 2
16720q (2 curves)	0	2+ 5- 11- 19-	2+ -2 5-  0 11-  4 -2 19-
Curve Equation t 16720q1 [0,1,0,-195,-1232] 2 16720q2 [0,1,0,-3220,-71412] 2
16720r (2 curves)	0	2- 5+ 11+ 19+	2- -1 5+ -2 11+ -1  6 19+
Curve Equation t 16720r1 [0,-1,0,704,-123904] 1 16720r2 [0,-1,0,-6336,3351040] 1
16720s (4 curves)	0	2- 5+ 11+ 19+	2-  2 5+  4 11+  2  0 19+
Curve Equation t 16720s1 [0,-1,0,-8376,-292240] 2 16720s2 [0,-1,0,-7576,-351120] 2 16720s3 [0,-1,0,-19816,668016] 2 16720s4 [0,-1,0,60184,4636016] 2
16720t (1 curve)	1	2- 5+ 11- 19+	2- -1 5+  1 11- -5 -3 19+
Curve Equation t Generators 16720t1 [0,-1,0,6065104,19325456320] 1 [-952:112640:1]
16720u (4 curves)	1	2- 5+ 11- 19+	2-  2 5+ -2 11-  2  0 19+
Curve Equation t Generators 16720u1 [0,-1,0,-25256,-1536400] 2 [211716:2873728:729] 16720u2 [0,-1,0,-26856,-1329040] 2 [1076:34848:1] 16720u3 [0,-1,0,-51096,2118896] 2 [298:4125:8] 16720u4 [0,-1,0,-691096,221254896] 2 [588:4224:1]
16720v (2 curves)	1	2- 5+ 11- 19+	2-  2 5+ -2 11- -2  0 19+
Curve Equation t Generators 16720v1 [0,-1,0,-496,2496] 2 [21:30:1] 16720v2 [0,-1,0,-6896,222656] 2 [40:96:1]
16720w (2 curves)	0	2- 5+ 11- 19-	2-  0 5+  0 11-  2  4 19-
Curve Equation t 16720w1 [0,0,0,557,4242] 2 16720w2 [0,0,0,-2963,38738] 2
16720x (2 curves)	0	2- 5+ 11- 19-	2-  0 5+  2 11-  0 -6 19-
Curve Equation t 16720x1 [0,0,0,-1808,16243] 2 16720x2 [0,0,0,-13303,-579198] 2
16720y (2 curves)	0	2- 5+ 11- 19-	2-  0 5+ -4 11-  6  0 19-
Curve Equation t 16720y1 [0,0,0,-60043,5673018] 2 16720y2 [0,0,0,-961163,362696762] 2
16720z (2 curves)	0	2- 5+ 11- 19-	2-  2 5+  2 11-  6  0 19-
Curve Equation t 16720z1 [0,-1,0,-96,320] 2 16720z2 [0,-1,0,-496,-3840] 2
16720ba (2 curves)	2	2- 5+ 11- 19-	2- -2 5+ -2 11- -6 -4 19-
Curve Equation t Generators 16720ba1 [0,1,0,-8536,300564] 2 [-44:770:1]&[-121732:1710970:2197] 16720ba2 [0,1,0,-10136,178324] 2 [-90:608:1]&[-10:528:1]
16720bb (1 curve)	0	2- 5+ 11- 19-	2-  3 5+  3 11- -1  1 19-
Curve Equation t 16720bb1 [0,0,0,-60825763,-211584212062] 1
16720bc (1 curve)	1	2- 5- 11+ 19+	2-  1 5-  3 11+ -3  5 19+
Curve Equation t Generators 16720bc1 [0,1,0,-53520,-4849132] 1 [706:17600:1]
16720bd (1 curve)	0	2- 5- 11+ 19-	2-  1 5-  1 11+  1  1 19-
Curve Equation t 16720bd1 [0,1,0,-760,-46892] 1
16720be (2 curves)	0	2- 5- 11+ 19-	2-  1 5-  2 11+ -1 -2 19-
Curve Equation t 16720be1 [0,1,0,-7760,-266092] 1 16720be2 [0,1,0,55440,3563348] 1
16720bf (2 curves)	0	2- 5- 11+ 19-	2- -2 5-  4 11+  4  4 19-
Curve Equation t 16720bf1 [0,1,0,-605,5530] 2 16720bf2 [0,1,0,-660,4408] 2
16720bg (2 curves)	0	2- 5- 11+ 19-	2- -2 5- -4 11+ -4  4 19-
Curve Equation t 16720bg1 [0,1,0,-15896765,14082748150] 2 16720bg2 [0,1,0,-113332620,-454427817032] 2
16720bh (4 curves)	0	2- 5- 11- 19+	2-  0 5-  0 11-  2 -6 19+
Curve Equation t 16720bh1 [0,0,0,-15718547,23986490514] 2 16720bh2 [0,0,0,-15718627,23986234146] 4 16720bh3 [0,0,0,-16268627,22217544146] 2 16720bh4 [0,0,0,-15169907,25738516594] 4
16720bi (4 curves)	0	2- 5- 11- 19+	2-  0 5-  0 11-  2 -6 19+
Curve Equation t 16720bi1 [0,0,0,-3107,34594] 2 16720bi2 [0,0,0,-23587,-1370334] 4 16720bi3 [0,0,0,-375587,-88595934] 2 16720bi4 [0,0,0,733,-4060126] 4
16720bj (4 curves)	1	2- 5- 11- 19-	2-  0 5-  0 11-  2 -2 19-
Curve Equation t Generators 16720bj1 [0,0,0,-184067,-145387774] 2 [313508:21844395:64] 16720bj2 [0,0,0,-5426947,-4850348286] 4 [19618:2727450:1] 16720bj3 [0,0,0,-86753027,-311010509054] 2 [15001938:-1875466250:729] 16720bj4 [0,0,0,-7986947,192339714] 4 [3023:60610:1]
16720bk (1 curve)	1	2- 5- 11- 19-	2- -3 5- -3 11-  5  1 19-
Curve Equation t Generators 16720bk1 [0,0,0,-32707,34812994] 1 [543:-13310:1]

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