Cremona's table of elliptic curves

91140 = 2² · 3 · 5 · 7² · 31

Class	r	Atkin-Lehner	Eigenvalues
91140a (1 curve)	1	2- 3+ 5+ 7+ 31-	2- 3+ 5+ 7+ -4  2  4 -2
Curve Equation t Generators 91140a1 [0,-1,0,-800676,441712440] 1 [11069:1160888:1]
91140b (1 curve)	1	2- 3+ 5+ 7- 31+	2- 3+ 5+ 7-  0  2  0  6
Curve Equation t Generators 91140b1 [0,-1,0,8804,1355320] 1 [9:1198:1]
91140c (2 curves)	1	2- 3+ 5+ 7- 31+	2- 3+ 5+ 7-  0 -6  8  4
Curve Equation t Generators 91140c1 [0,-1,0,-322681,1151114350] 2 [-156956214:2656514420:148877] 91140c2 [0,-1,0,-18558276,30525010776] 2 [352948490228:-67488924484275:9528128]
91140d (2 curves)	1	2- 3+ 5+ 7- 31+	2- 3+ 5+ 7- -2 -4 -6 -4
Curve Equation t Generators 91140d1 [0,-1,0,-60601,-5721890] 2 [306:2072:1] 91140d2 [0,-1,0,-61476,-5547240] 2 [-147:540:1]
91140e (2 curves)	1	2- 3+ 5+ 7- 31+	2- 3+ 5+ 7- -4  4  0  0
Curve Equation t Generators 91140e1 [0,-1,0,-7121,229986] 2 [5:441:1] 91140e2 [0,-1,0,-14716,-338120] 2 [-26:162:1]
91140f (2 curves)	2	2- 3+ 5+ 7- 31-	2- 3+ 5+ 7- -4  2  0  0
Curve Equation t Generators 91140f1 [0,-1,0,159,330] 2 [-1:13:1]&[5:35:1] 91140f2 [0,-1,0,-716,3480] 2 [-26:62:1]&[-22:90:1]
91140g (2 curves)	0	2- 3+ 5+ 7- 31-	2- 3+ 5+ 7- -4 -4 -4  8
Curve Equation t 91140g1 [0,-1,0,-1241,-9330] 2 91140g2 [0,-1,0,-8836,315736] 2
91140h (1 curve)	1	2- 3+ 5- 7+ 31+	2- 3+ 5- 7+  0 -6  0  6
Curve Equation t Generators 91140h1 [0,-1,0,-21380,-1202088] 1 [895169:4707430:4913]
91140i (1 curve)	1	2- 3+ 5- 7+ 31+	2- 3+ 5- 7+  3 -2 -3  5
Curve Equation t Generators 91140i1 [0,-1,0,-3456525,-1962594423] 1 [-896:20355:1]
91140j (1 curve)	1	2- 3+ 5- 7+ 31+	2- 3+ 5- 7+  5  4 -3  1
Curve Equation t Generators 91140j1 [0,-1,0,-12805,339697] 1 [-16:735:1]
91140k (2 curves)	0	2- 3+ 5- 7- 31+	2- 3+ 5- 7- -4  2  0  4
Curve Equation t 91140k1 [0,-1,0,74415,148842] 2 91140k2 [0,-1,0,-297740,1488600] 2
91140l (2 curves)	1	2- 3- 5+ 7- 31-	2- 3- 5+ 7-  0  2  4  4
Curve Equation t Generators 91140l1 [0,1,0,719,-15856] 2 [79:735:1] 91140l2 [0,1,0,-6876,-192060] 2 [-60:90:1]
91140m (1 curve)	1	2- 3- 5+ 7- 31-	2- 3- 5+ 7-  0  6  0 -6
Curve Equation t Generators 91140m1 [0,1,0,-436,3380] 1 [11:6:1]
91140n (1 curve)	1	2- 3- 5+ 7- 31-	2- 3- 5+ 7-  3  2  3 -5
Curve Equation t Generators 91140n1 [0,1,0,-70541,5701695] 1 [-934:28125:8]
91140o (1 curve)	1	2- 3- 5+ 7- 31-	2- 3- 5+ 7-  5 -4  3 -1
Curve Equation t Generators 91140o1 [0,1,0,-261,-1065] 1 [-186:575:27]
91140p (1 curve)	1	2- 3- 5- 7+ 31-	2- 3- 5- 7+  0 -2  0 -6
Curve Equation t Generators 91140p1 [0,1,0,180,-3900] 1 [20:90:1]
91140q (2 curves)	1	2- 3- 5- 7- 31+	2- 3- 5- 7- -4 -2  0  0
Curve Equation t Generators 91140q1 [0,1,0,7775,-128752] 2 [241:3975:1] 91140q2 [0,1,0,-35100,-1123452] 2 [-64:930:1]
91140r (1 curve)	1	2- 3- 5- 7- 31+	2- 3- 5- 7- -4 -2 -4  2
Curve Equation t Generators 91140r1 [0,1,0,-16340,-1292460] 1 [8119:731520:1]
91140s (2 curves)	0	2- 3- 5- 7- 31-	2- 3- 5- 7- -2  4  6  4
Curve Equation t 91140s1 [0,1,0,-2969465,1968547188] 2 91140s2 [0,1,0,-3012340,1908727988] 2

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