Cremona's table of elliptic curves

91980 = 2² · 3² · 5 · 7 · 73

Class	r	Atkin-Lehner	Eigenvalues
91980a (1 curve)	0	2- 3+ 5+ 7+ 73+	2- 3+ 5+ 7+ -3  0 -3  0
Curve Equation t 91980a1 [0,0,0,-279215793,-1795800455783] 1
91980b (1 curve)	1	2- 3+ 5+ 7+ 73-	2- 3+ 5+ 7+ -1 -4 -7  0
Curve Equation t Generators 91980b1 [0,0,0,-152253,-22630347] 1 [-243:135:1]
91980c (2 curves)	1	2- 3+ 5+ 7+ 73-	2- 3+ 5+ 7+ -6  6  6  4
Curve Equation t Generators 91980c1 [0,0,0,-31968,-2252367] 2 [234:1755:1] 91980c2 [0,0,0,-514863,-142195338] 2 [3811:230750:1]
91980d (2 curves)	0	2- 3+ 5+ 7- 73-	2- 3+ 5+ 7-  3 -4 -3  8
Curve Equation t 91980d1 [0,0,0,-873,9217] 3 91980d2 [0,0,0,-14013,-636687] 1
91980e (1 curve)	2	2- 3+ 5+ 7- 73-	2- 3+ 5+ 7- -3 -2 -3 -6
Curve Equation t Generators 91980e1 [0,0,0,-213,-1143] 1 [-8:7:1]&[24:87:1]
91980f (1 curve)	1	2- 3+ 5- 7+ 73+	2- 3+ 5- 7+  3  0  3  0
Curve Equation t Generators 91980f1 [0,0,0,-2512942137,48486612306141] 1 [1850628:489375:64]
91980g (1 curve)	0	2- 3+ 5- 7+ 73-	2- 3+ 5- 7+  1 -4  7  0
Curve Equation t 91980g1 [0,0,0,-16917,838161] 1
91980h (2 curves)	0	2- 3+ 5- 7+ 73-	2- 3+ 5- 7+  6  6 -6  4
Curve Equation t 91980h1 [0,0,0,-3552,83421] 2 91980h2 [0,0,0,-57207,5266494] 2
91980i (1 curve)	1	2- 3+ 5- 7- 73-	2- 3+ 5- 7-  3 -2  3 -6
Curve Equation t Generators 91980i1 [0,0,0,-1917,30861] 1 [45:-189:1]
91980j (2 curves)	1	2- 3+ 5- 7- 73-	2- 3+ 5- 7- -3 -4  3  8
Curve Equation t Generators 91980j1 [0,0,0,-1557,23581] 3 [-43:105:1] 91980j2 [0,0,0,-7857,-248859] 1 [-60:81:1]
91980k (2 curves)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+  0  2 -6  2
Curve Equation t Generators 91980k1 [0,0,0,41595432,332161726633] 2 [1092381741845296:-173976103479801951:209161465856] 91980k2 [0,0,0,-540332463,4399954098262] 2 [-350098:763158024:343]
91980l (1 curve)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+  0  3  0 -1
Curve Equation t Generators 91980l1 [0,0,0,1767777,9112072678] 1 [1259:115470:1]
91980m (2 curves)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+  0  6  6 -4
Curve Equation t Generators 91980m1 [0,0,0,4092,55393] 2 [-6:175:1] 91980m2 [0,0,0,-18903,473902] 2 [-1:702:1]
91980n (1 curve)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+  5  0  3  2
Curve Equation t Generators 91980n1 [0,0,0,-98913,11972837] 1 [1442:81:8]
91980o (1 curve)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+  5  2 -1  2
Curve Equation t Generators 91980o1 [0,0,0,-5493,156697] 1 [32:117:1]
91980p (1 curve)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+ -5 -2 -5  4
Curve Equation t Generators 91980p1 [0,0,0,-2797653,-1798112027] 1 [-987:1291:1]
91980q (2 curves)	1	2- 3- 5+ 7+ 73+	2- 3- 5+ 7+ -6 -6  6  0
Curve Equation t Generators 91980q1 [0,0,0,-948,-10127] 2 [-22:9:1] 91980q2 [0,0,0,1257,-50258] 2 [71:-630:1]
91980r (1 curve)	0	2- 3- 5+ 7+ 73-	2- 3- 5+ 7+  3  4  3 -2
Curve Equation t 91980r1 [0,0,0,-4231713,-1597029887] 1
91980s (1 curve)	2	2- 3- 5+ 7+ 73-	2- 3- 5+ 7+ -3 -2  3 -4
Curve Equation t Generators 91980s1 [0,0,0,-633,6113] 1 [16:-9:1]&[-7:101:1]
91980t (1 curve)	1	2- 3- 5+ 7- 73-	2- 3- 5+ 7- -1  7 -5  0
Curve Equation t Generators 91980t1 [0,0,0,-6224088,-5979928012] 1 [3430282211438363:205297051151888129:679383257671]
91980u (2 curves)	1	2- 3- 5+ 7- 73-	2- 3- 5+ 7-  4  2 -2  4
Curve Equation t Generators 91980u1 [0,0,0,492,68857] 2 [26:-315:1] 91980u2 [0,0,0,-22503,1259998] 2 [-169:486:1]
91980v (1 curve)	1	2- 3- 5+ 7- 73-	2- 3- 5+ 7-  4 -3  0 -5
Curve Equation t Generators 91980v1 [0,0,0,-91983,10737718] 1 [179:90:1]
91980w (1 curve)	1	2- 3- 5+ 7- 73-	2- 3- 5+ 7- -4 -2  4  0
Curve Equation t Generators 91980w1 [0,0,0,-48,-1843] 1 [59:448:1]
91980x (1 curve)	0	2- 3- 5- 7+ 73+	2- 3- 5- 7+  2 -4  3 -5
Curve Equation t 91980x1 [0,0,0,-1148727,-506595346] 1
91980y (1 curve)	0	2- 3- 5- 7+ 73+	2- 3- 5- 7+  3  2  5 -2
Curve Equation t 91980y1 [0,0,0,-2714277,-1719241571] 1
91980z (1 curve)	0	2- 3- 5- 7+ 73+	2- 3- 5- 7+  3  5 -7  4
Curve Equation t 91980z1 [0,0,0,2328,-45596] 1
91980ba (2 curves)	0	2- 3- 5- 7+ 73+	2- 3- 5- 7+ -4  2 -2  6
Curve Equation t 91980ba1 [0,0,0,-552,8381] 2 91980ba2 [0,0,0,-10407,408494] 2
91980bb (1 curve)	0	2- 3- 5- 7+ 73+	2- 3- 5- 7+ -4  6  4  4
Curve Equation t 91980bb1 [0,0,0,288,-6291] 1
91980bc (1 curve)	1	2- 3- 5- 7+ 73-	2- 3- 5- 7+  0  1  4  5
Curve Equation t Generators 91980bc1 [0,0,0,-327,-2746546] 1 [298:4860:1]
91980bd (2 curves)	1	2- 3- 5- 7+ 73-	2- 3- 5- 7+  0 -2  6 -2
Curve Equation t Generators 91980bd1 [0,0,0,1968,1969] 2 [8:135:1] 91980bd2 [0,0,0,-7887,15766] 2 [-73:450:1]
91980be (1 curve)	1	2- 3- 5- 7+ 73-	2- 3- 5- 7+  1  6 -3 -2
Curve Equation t Generators 91980be1 [0,0,0,-2217,-28159] 1 [-35:81:1]
91980bf (1 curve)	1	2- 3- 5- 7+ 73-	2- 3- 5- 7+  2  4 -1 -5
Curve Equation t Generators 91980bf1 [0,0,0,3273,568654] 1 [23:-810:1]
91980bg (1 curve)	1	2- 3- 5- 7+ 73-	2- 3- 5- 7+ -2  4  7  5
Curve Equation t Generators 91980bg1 [0,0,0,-1499007,-706404746] 1 [1048876589296423930:60497817688594696572:277946476374581]
91980bh (1 curve)	1	2- 3- 5- 7+ 73-	2- 3- 5- 7+  3  2  1 -8
Curve Equation t Generators 91980bh1 [0,0,0,-108597,-12664699] 1 [685:15309:1]
91980bi (1 curve)	1	2- 3- 5- 7- 73+	2- 3- 5- 7- -1  0 -7 -2
Curve Equation t Generators 91980bi1 [0,0,0,-237,-331] 1 [-5:27:1]
91980bj (1 curve)	1	2- 3- 5- 7- 73+	2- 3- 5- 7- -1  3 -1 -2
Curve Equation t Generators 91980bj1 [0,0,0,-552,10996004] 1 [248:5110:1]
91980bk (2 curves)	0	2- 3- 5- 7- 73-	2- 3- 5- 7-  0  2  0  8
Curve Equation t 91980bk1 [0,0,0,4488,-67979] 1 91980bk2 [0,0,0,-48072,5138089] 3
91980bl (2 curves)	0	2- 3- 5- 7- 73-	2- 3- 5- 7-  0  5  0 -1
Curve Equation t 91980bl1 [0,0,0,-130647,-19216514] 1 91980bl2 [0,0,0,736593,-21092906] 3
91980bm (1 curve)	0	2- 3- 5- 7- 73-	2- 3- 5- 7-  5  2  5 -2
Curve Equation t 91980bm1 [0,0,0,-58098837,-167750473291] 1
91980bn (1 curve)	2	2- 3- 5- 7- 73-	2- 3- 5- 7- -5 -2 -7  0
Curve Equation t Generators 91980bn1 [0,0,0,-21297,-70639] 1 [-143:225:1]&[-113:945:1]
91980bo (1 curve)	0	2- 3- 5- 7- 73-	2- 3- 5- 7- -6  4  3  7
Curve Equation t 91980bo1 [0,0,0,-327,-2914] 1

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