Cremona's table of elliptic curves

1950 = 2 · 3 · 5² · 13

Class	r	Atkin-Lehner	Eigenvalues
1950a (4 curves)	1	2+ 3+ 5+ 13+	2+ 3+ 5+ -2  0 13+  0  2
Curve Equation t Generators 1950a1 [1,1,0,-150,4500] 2 [5:60:1] 1950a2 [1,1,0,-5150,139500] 2 [5:335:1] 1950a3 [1,1,0,1350,-120000] 2 [50:250:1] 1950a4 [1,1,0,-29900,-1901250] 2 [-85:230:1]
1950b (2 curves)	0	2+ 3+ 5- 13+	2+ 3+ 5- -3 -3 13+ -3  0
Curve Equation t 1950b1 [1,1,0,-9116250,-10598103900] 1 1950b2 [1,1,0,-8882575,-11166822875] 1
1950c (1 curve)	0	2+ 3+ 5- 13+	2+ 3+ 5-  4  4 13+  4  7
Curve Equation t 1950c1 [1,1,0,50,250] 1
1950d (2 curves)	0	2+ 3+ 5- 13+	2+ 3+ 5-  4 -6 13+  4  2
Curve Equation t 1950d1 [1,1,0,-8075,-7875] 2 1950d2 [1,1,0,-88075,9992125] 2
1950e (2 curves)	1	2+ 3+ 5- 13-	2+ 3+ 5- -2  2 13- -2 -4
Curve Equation t Generators 1950e1 [1,1,0,40,0] 2 [1:6:1] 1950e2 [1,1,0,-160,-200] 2 [-11:25:1]
1950f (1 curve)	0	2+ 3- 5+ 13+	2+ 3- 5+  0  4 13+  0  1
Curve Equation t 1950f1 [1,0,1,-8991,-349262] 1
1950g (6 curves)	0	2+ 3- 5+ 13+	2+ 3- 5+  0  4 13+  6  4
Curve Equation t 1950g1 [1,0,1,374,1148] 2 1950g2 [1,0,1,-1626,9148] 4 1950g3 [1,0,1,-14126,-640852] 4 1950g4 [1,0,1,-21126,1179148] 2 1950g5 [1,0,1,-225376,-41200852] 2 1950g6 [1,0,1,-2876,-1630852] 2
1950h (1 curve)	1	2+ 3- 5+ 13-	2+ 3- 5+  1 -5 13- -5  0
Curve Equation t Generators 1950h1 [1,0,1,-826,9068] 1 [13:17:1]
1950i (2 curves)	1	2+ 3- 5+ 13-	2+ 3- 5+ -2  4 13- -8 -6
Curve Equation t Generators 1950i1 [1,0,1,99,-1052] 2 [17:66:1] 1950i2 [1,0,1,-1151,-13552] 2 [-18:46:1]
1950j (2 curves)	1	2+ 3- 5- 13+	2+ 3- 5-  0 -6 13+  0  6
Curve Equation t Generators 1950j1 [1,0,1,-16,-22] 2 [-2:2:1] 1950j2 [1,0,1,-66,178] 2 [-4:21:1]
1950k (1 curve)	1	2+ 3- 5- 13+	2+ 3- 5-  1 -3 13+  1 -8
Curve Equation t Generators 1950k1 [1,0,1,49,1298] 1 [27:136:1]
1950l (2 curves)	1	2+ 3- 5- 13+	2+ 3- 5- -4  2 13+ -4  2
Curve Equation t Generators 1950l1 [1,0,1,-222451,-40401202] 2 [-272:149:1] 1950l2 [1,0,1,-227451,-38491202] 2 [-298:1836:1]
1950m (2 curves)	0	2+ 3- 5- 13-	2+ 3- 5- -4  0 13-  0  5
Curve Equation t 1950m1 [1,0,1,299,-42952] 3 1950m2 [1,0,1,-84076,-9391702] 1
1950n (4 curves)	0	2- 3+ 5+ 13+	2- 3+ 5+ -2  0 13+  0  2
Curve Equation t 1950n1 [1,1,1,99937,499781] 2 1950n2 [1,1,1,-400063,3499781] 2 1950n3 [1,1,1,-1334438,-640581469] 2 1950n4 [1,1,1,-21814438,-39224901469] 2
1950o (2 curves)	0	2- 3+ 5+ 13+	2- 3+ 5+  4  0 13+  0  5
Curve Equation t 1950o1 [1,1,1,12,-339] 1 1950o2 [1,1,1,-3363,-76479] 1
1950p (1 curve)	1	2- 3+ 5+ 13-	2- 3+ 5+ -1 -3 13- -1 -8
Curve Equation t Generators 1950p1 [1,1,1,2,11] 1 [-1:3:1]
1950q (4 curves)	1	2- 3+ 5+ 13-	2- 3+ 5+ -4  0 13-  2  4
Curve Equation t Generators 1950q1 [1,1,1,-7213,386531] 4 [-5:652:1] 1950q2 [1,1,1,-135213,19074531] 4 [-35:4892:1] 1950q3 [1,1,1,-155213,13034531] 2 [-285:5992:1] 1950q4 [1,1,1,-2163213,1223706531] 2 [849:-412:1]
1950r (1 curve)	1	2- 3+ 5- 13+	2- 3+ 5- -1 -5 13+  5  0
Curve Equation t Generators 1950r1 [1,1,1,-20638,1133531] 1 [35:657:1]
1950s (1 curve)	0	2- 3+ 5- 13-	2- 3+ 5-  0  4 13-  0  1
Curve Equation t 1950s1 [1,1,1,-224763,-43657719] 1
1950t (2 curves)	0	2- 3+ 5- 13-	2- 3+ 5-  0 -6 13-  0  6
Curve Equation t 1950t1 [1,1,1,-388,-2719] 2 1950t2 [1,1,1,-1638,22281] 2
1950u (2 curves)	0	2- 3+ 5- 13-	2- 3+ 5-  4  2 13-  4  2
Curve Equation t 1950u1 [1,1,1,-8898,-326769] 2 1950u2 [1,1,1,-9098,-311569] 2
1950v (4 curves)	1	2- 3- 5+ 13+	2- 3- 5+ -4 -4 13+ -2 -8
Curve Equation t Generators 1950v1 [1,0,0,-488,86592] 2 [112:-1256:1] 1950v2 [1,0,0,-32488,2230592] 4 [242:-3046:1] 1950v3 [1,0,0,-58488,-1851408] 2 [282:-2166:1] 1950v4 [1,0,0,-518488,143656592] 2 [422:14:1]
1950w (4 curves)	0	2- 3- 5+ 13-	2- 3- 5+  0  0 13-  6  0
Curve Equation t 1950w1 [1,0,0,-338,2292] 4 1950w2 [1,0,0,-838,-6208] 4 1950w3 [1,0,0,-12088,-512458] 2 1950w4 [1,0,0,2412,-41958] 2
1950x (2 curves)	0	2- 3- 5+ 13-	2- 3- 5+  2  4 13- -4 -2
Curve Equation t 1950x1 [1,0,0,-1313,-19383] 2 1950x2 [1,0,0,-21313,-1199383] 2
1950y (2 curves)	0	2- 3- 5+ 13-	2- 3- 5+  3 -3 13-  3  0
Curve Equation t 1950y1 [1,0,0,-355303,-89334583] 5 1950y2 [1,0,0,-227906263,-1324307174983] 1
1950z (1 curve)	0	2- 3- 5+ 13-	2- 3- 5+ -4  4 13- -4  7
Curve Equation t 1950z1 [1,0,0,2,2] 1
1950ba (2 curves)	0	2- 3- 5- 13+	2- 3- 5-  2  2 13+  2 -4
Curve Equation t 1950ba1 [1,0,0,987,-1983] 2 1950ba2 [1,0,0,-4013,-16983] 2
1950bb (2 curves)	1	2- 3- 5- 13-	2- 3- 5- -4 -6 13- -4  2
Curve Equation t Generators 1950bb1 [1,0,0,-323,-63] 2 [22:-71:1] 1950bb2 [1,0,0,-3523,79937] 2 [2:269:1]

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