Cremona's table of elliptic curves

1968 = 2⁴ · 3 · 41

Class	r	Atkin-Lehner	Eigenvalues
1968a (1 curve)	1	2+ 3+ 41+	2+ 3+  0  2  3 -6 -7  0
Curve Equation t Generators 1968a1 [0,-1,0,7,-27] 1 [4:7:1]
1968b (1 curve)	1	2+ 3- 41-	2+ 3- -1  2 -2 -3 -3 -7
Curve Equation t Generators 1968b1 [0,1,0,184,-1644] 1 [10:36:1]
1968c (1 curve)	1	2+ 3- 41-	2+ 3-  2 -4 -5  0 -3  2
Curve Equation t Generators 1968c1 [0,1,0,-577,5147] 1 [14:3:1]
1968d (1 curve)	1	2+ 3- 41-	2+ 3- -2  0 -1  4 -7 -2
Curve Equation t Generators 1968d1 [0,1,0,-369,-4293] 1 [54:369:1]
1968e (2 curves)	0	2- 3+ 41+	2- 3+ -2 -2 -4  4 -2  0
Curve Equation t 1968e1 [0,-1,0,-7262344,7535340784] 2 1968e2 [0,-1,0,-7252104,7557639408] 2
1968f (1 curve)	0	2- 3+ 41+	2- 3+ -2  4  5  4 -5  6
Curve Equation t 1968f1 [0,-1,0,11,-695] 1
1968g (2 curves)	0	2- 3+ 41+	2- 3+  3 -2  6 -1  3 -5
Curve Equation t 1968g1 [0,-1,0,-24,-144] 1 1968g2 [0,-1,0,216,3696] 1
1968h (2 curves)	1	2- 3+ 41-	2- 3+  1  2 -2 -1 -7 -5
Curve Equation t Generators 1968h1 [0,-1,0,-2800,1782208] 1 [-2184:32768:27] 1968h2 [0,-1,0,-9272560,10871040448] 1 [48216:53792:27]
1968i (4 curves)	1	2- 3+ 41-	2- 3+ -2 -4  4  2  2  4
Curve Equation t Generators 1968i1 [0,-1,0,-144,-576] 2 [-6:6:1] 1968i2 [0,-1,0,-464,3264] 4 [-8:80:1] 1968i3 [0,-1,0,-7024,228928] 2 [-32:648:1] 1968i4 [0,-1,0,976,18240] 4 [10:170:1]
1968j (2 curves)	1	2- 3+ 41-	2- 3+ -4  2  3 -6  3  0
Curve Equation t Generators 1968j1 [0,-1,0,-165,-819] 1 [20:59:1] 1968j2 [0,-1,0,315,57261] 1 [140:1681:1]
1968k (1 curve)	1	2- 3- 41+	2- 3-  1 -2 -2 -7  7 -7
Curve Equation t Generators 1968k1 [0,1,0,-4320,107892] 1 [42:-48:1]
1968l (2 curves)	1	2- 3- 41+	2- 3- -2 -2  4 -4 -2  8
Curve Equation t Generators 1968l1 [0,1,0,-1064,-13644] 2 [-20:6:1] 1968l2 [0,1,0,-424,-29260] 2 [62:432:1]
1968m (1 curve)	1	2- 3- 41+	2- 3- -2  4 -5 -4 -5  2
Curve Equation t Generators 1968m1 [0,1,0,11,35] 1 [-2:3:1]
1968n (1 curve)	0	2- 3- 41-	2- 3-  0  2  1 -2 -1  4
Curve Equation t 1968n1 [0,1,0,-13,-25] 1
1968o (1 curve)	0	2- 3- 41-	2- 3-  3  2 -2  1  5  1
Curve Equation t 1968o1 [0,1,0,-664,6548] 1

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