Cremona's table of elliptic curves

21960 = 2³ · 3² · 5 · 61

Class	r	Atkin-Lehner	Eigenvalues
21960a (1 curve)	2	2+ 3+ 5+ 61-	2+ 3+ 5+  1 -4 -2 -8 -7
Curve Equation t Generators 21960a1 [0,0,0,12,68] 1 [-2:6:1]&[1:9:1]
21960b (2 curves)	0	2+ 3- 5+ 61+	2+ 3- 5+  2  0 -2  4  4
Curve Equation t 21960b1 [0,0,0,-3558,80993] 2 21960b2 [0,0,0,-6303,-61198] 2
21960c (2 curves)	2	2+ 3- 5+ 61+	2+ 3- 5+ -2 -6 -2  2 -4
Curve Equation t Generators 21960c1 [0,0,0,-138,137] 2 [-11:18:1]&[-8:27:1] 21960c2 [0,0,0,537,1082] 2 [7:72:1]&[23:160:1]
21960d (2 curves)	1	2+ 3- 5+ 61-	2+ 3- 5+  0 -2 -6  0 -4
Curve Equation t Generators 21960d1 [0,0,0,-516918,-46285967] 2 [1784:68625:1] 21960d2 [0,0,0,1943457,-359737742] 2 [1707:89060:1]
21960e (2 curves)	1	2+ 3- 5+ 61-	2+ 3- 5+  4  2 -2 -2 -4
Curve Equation t Generators 21960e1 [0,0,0,-903,-10438] 2 [3009:30464:27] 21960e2 [0,0,0,-723,-14722] 2 [439:9180:1]
21960f (4 curves)	1	2+ 3- 5+ 61-	2+ 3- 5+  4  4 -2 -6 -4
Curve Equation t Generators 21960f1 [0,0,0,-14898,-699847] 2 [292:4455:1] 21960f2 [0,0,0,-16023,-588022] 4 [54655:1089704:125] 21960f3 [0,0,0,38877,-3739282] 2 [67444659854:1268898941835:259694072] 21960f4 [0,0,0,-88923,9720038] 2 [1727:70760:1]
21960g (4 curves)	1	2+ 3- 5+ 61-	2+ 3- 5+ -4  0 -2  6  4
Curve Equation t Generators 21960g1 [0,0,0,-858,3193] 2 [-4:81:1] 21960g2 [0,0,0,-10983,442618] 4 [14:540:1] 21960g3 [0,0,0,-8283,665638] 2 [-57:976:1] 21960g4 [0,0,0,-175683,28342798] 2 [258:436:1]
21960h (2 curves)	1	2+ 3- 5+ 61-	2+ 3- 5+ -4  6 -6  0 -4
Curve Equation t Generators 21960h1 [0,0,0,42,-2743] 2 [16:45:1] 21960h2 [0,0,0,-2703,-52702] 2 [-29:36:1]
21960i (1 curve)	1	2+ 3- 5- 61+	2+ 3- 5-  1 -2  5 -6  6
Curve Equation t Generators 21960i1 [0,0,0,-147,-1906] 1 [34:180:1]
21960j (1 curve)	1	2+ 3- 5- 61+	2+ 3- 5-  1  4 -4  0 -3
Curve Equation t Generators 21960j1 [0,0,0,-36372,2669924] 1 [110:2:1]
21960k (2 curves)	1	2+ 3- 5- 61+	2+ 3- 5-  2 -6 -6  6  4
Curve Equation t Generators 21960k1 [0,0,0,-327,14906] 2 [115:1224:1] 21960k2 [0,0,0,-11307,460694] 2 [55:72:1]
21960l (1 curve)	1	2+ 3- 5- 61+	2+ 3- 5- -4 -6  1 -5  7
Curve Equation t Generators 21960l1 [0,0,0,-296067,-62274274] 1 [742:11250:1]
21960m (1 curve)	0	2- 3+ 5- 61-	2- 3+ 5-  1  4 -2  8 -7
Curve Equation t 21960m1 [0,0,0,108,-1836] 1
21960n (1 curve)	1	2- 3- 5+ 61+	2- 3- 5+ -1  4  4  4  5
Curve Equation t Generators 21960n1 [0,0,0,-705828,1450358548] 1 [32818:2079837:8]
21960o (2 curves)	1	2- 3- 5+ 61+	2- 3- 5+  2  0  6  0  4
Curve Equation t Generators 21960o1 [0,0,0,-11118,-426283] 2 [-71:72:1] 21960o2 [0,0,0,-175143,-28212118] 2 [3662:220088:1]
21960p (2 curves)	1	2- 3- 5+ 61+	2- 3- 5+  2  0  6 -4 -4
Curve Equation t Generators 21960p1 [0,0,0,-198,1053] 2 [-6:45:1] 21960p2 [0,0,0,-423,-1782] 2 [-9:36:1]
21960q (2 curves)	1	2- 3- 5+ 61+	2- 3- 5+  2  4 -2  4 -4
Curve Equation t Generators 21960q1 [0,0,0,-1398,-11603] 2 [-19:90:1] 21960q2 [0,0,0,-19623,-1057718] 2 [162:122:1]
21960r (2 curves)	1	2- 3- 5+ 61+	2- 3- 5+  2  4 -2 -8 -4
Curve Equation t Generators 21960r1 [0,0,0,-318,493] 2 [26:99:1] 21960r2 [0,0,0,-3063,-64838] 2 [-31:18:1]
21960s (2 curves)	1	2- 3- 5+ 61+	2- 3- 5+  2 -4 -2  4  4
Curve Equation t Generators 21960s1 [0,0,0,-915318,-70235883] 2 [867190782:43854478011:300763] 21960s2 [0,0,0,-11129463,-14269940262] 2 [11481:1171026:1]
21960t (1 curve)	1	2- 3- 5+ 61+	2- 3- 5+ -4  6  3 -7 -1
Curve Equation t Generators 21960t1 [0,0,0,710757,418147542] 1 [4202944962:238728350556:7645373]
21960u (4 curves)	0	2- 3- 5+ 61-	2- 3- 5+  4  0 -2 -2  4
Curve Equation t 21960u1 [0,0,0,-4818,-127667] 2 21960u2 [0,0,0,-8463,91762] 4 21960u3 [0,0,0,32037,715462] 2 21960u4 [0,0,0,-107283,13511518] 2
21960v (2 curves)	0	2- 3- 5- 61+	2- 3- 5- -2  2  2  2 -4
Curve Equation t 21960v1 [0,0,0,-687,-8494] 2 21960v2 [0,0,0,-11667,-485026] 2
21960w (1 curve)	1	2- 3- 5- 61-	2- 3- 5- -2 -4  5 -3  1
Curve Equation t Generators 21960w1 [0,0,0,-507,5366] 1 [10:36:1]

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