Cremona's table of elliptic curves

3990 = 2 · 3 · 5 · 7 · 19

Class	r	Atkin-Lehner	Eigenvalues
3990a (4 curves)	1	2+ 3+ 5+ 7+ 19+	2+ 3+ 5+ 7+  0 -2 -2 19+
Curve Equation t Generators 3990a1 [1,1,0,42,-252] 2 [8:22:1] 3990a2 [1,1,0,-458,-3552] 4 [-14:26:1] 3990a3 [1,1,0,-7108,-233642] 2 [-49:26:1] 3990a4 [1,1,0,-1808,25338] 2 [43:150:1]
3990b (1 curve)	1	2+ 3+ 5+ 7+ 19+	2+ 3+ 5+ 7+ -1  5 -3 19+
Curve Equation t Generators 3990b1 [1,1,0,-8743,-318353] 1 [139:1015:1]
3990c (2 curves)	1	2+ 3+ 5+ 7+ 19+	2+ 3+ 5+ 7+  6 -2  4 19+
Curve Equation t Generators 3990c1 [1,1,0,-33596803,74591617357] 2 [158367:7527244:27] 3990c2 [1,1,0,-15246723,155739341133] 2 [25008539037:2331838217444:5545233]
3990d (1 curve)	0	2+ 3+ 5+ 7+ 19-	2+ 3+ 5+ 7+  1  3  4 19-
Curve Equation t 3990d1 [1,1,0,81267,65785437] 1
3990e (1 curve)	0	2+ 3+ 5+ 7- 19+	2+ 3+ 5+ 7-  3  3  8 19+
Curve Equation t 3990e1 [1,1,0,-633,-14427] 1
3990f (1 curve)	0	2+ 3+ 5- 7+ 19+	2+ 3+ 5- 7+ -1 -5 -4 19+
Curve Equation t 3990f1 [1,1,0,-142,-716] 1
3990g (4 curves)	0	2+ 3+ 5- 7+ 19+	2+ 3+ 5- 7+ -4  2  6 19+
Curve Equation t 3990g1 [1,1,0,-46727,-4599051] 2 3990g2 [1,1,0,-784007,-267513099] 4 3990g3 [1,1,0,-12544007,-17105481099] 2 3990g4 [1,1,0,-820487,-241298571] 2
3990h (2 curves)	0	2+ 3+ 5- 7+ 19+	2+ 3+ 5- 7+  6  2 -4 19+
Curve Equation t 3990h1 [1,1,0,-1753012,892627804] 2 3990h2 [1,1,0,-1752942,892702746] 2
3990i (1 curve)	1	2+ 3+ 5- 7+ 19-	2+ 3+ 5- 7+ -5  3 -5 19-
Curve Equation t Generators 3990i1 [1,1,0,1188,-11664] 1 [27:189:1]
3990j (4 curves)	0	2+ 3- 5+ 7+ 19+	2+ 3- 5+ 7+  0 -6  2 19+
Curve Equation t 3990j1 [1,0,1,-2945744,-1946235058] 2 3990j2 [1,0,1,-2945764,-1946207314] 4 3990j3 [1,0,1,-3064834,-1780366618] 2 3990j4 [1,0,1,-2827014,-2110272314] 2
3990k (2 curves)	1	2+ 3- 5+ 7+ 19-	2+ 3- 5+ 7+ -2 -2  4 19-
Curve Equation t Generators 3990k1 [1,0,1,-724,-7534] 2 [48:238:1] 3990k2 [1,0,1,-444,-13358] 2 [158:1887:1]
3990l (4 curves)	1	2+ 3- 5+ 7+ 19-	2+ 3- 5+ 7+  4 -2 -2 19-
Curve Equation t Generators 3990l1 [1,0,1,3461,810182] 2 [-62:629:1] 3990l2 [1,0,1,-112059,13887046] 4 [-169:5376:1] 3990l3 [1,0,1,-298259,-44281834] 2 [-264:4141:1] 3990l4 [1,0,1,-1774179,909437302] 2 [776:-51:1]
3990m (4 curves)	1	2+ 3- 5+ 7- 19+	2+ 3- 5+ 7-  4 -6 -2 19+
Curve Equation t Generators 3990m1 [1,0,1,-529,-1948] 2 [-14:59:1] 3990m2 [1,0,1,-4449,112516] 4 [-1:342:1] 3990m3 [1,0,1,-70949,7267916] 2 [93:1168:1] 3990m4 [1,0,1,-669,298492] 2 [20:531:1]
3990n (2 curves)	0	2+ 3- 5+ 7- 19-	2+ 3- 5+ 7-  3  5  0 19-
Curve Equation t 3990n1 [1,0,1,-134,-1834] 3 3990n2 [1,0,1,-16199,-794878] 1
3990o (2 curves)	0	2+ 3- 5+ 7- 19-	2+ 3- 5+ 7-  3  5  3 19-
Curve Equation t 3990o1 [1,0,1,-10599,737716] 3 3990o2 [1,0,1,89436,-13861238] 1
3990p (4 curves)	1	2+ 3- 5- 7+ 19+	2+ 3- 5- 7+  0 -2  2 19+
Curve Equation t Generators 3990p1 [1,0,1,-13178,-583252] 2 [-66:40:1] 3990p2 [1,0,1,-14458,-463444] 4 [-80:467:1] 3990p3 [1,0,1,-88938,9844588] 4 [-106:4305:1] 3990p4 [1,0,1,39542,-3098644] 2 [160:2627:1]
3990q (4 curves)	0	2- 3+ 5+ 7- 19-	2- 3+ 5+ 7-  4  2  6 19-
Curve Equation t 3990q1 [1,1,1,-126,-597] 2 3990q2 [1,1,1,-146,-421] 4 3990q3 [1,1,1,-1096,13259] 2 3990q4 [1,1,1,484,-2437] 2
3990r (1 curve)	0	2- 3+ 5+ 7- 19-	2- 3+ 5+ 7- -5 -1  0 19-
Curve Equation t 3990r1 [1,1,1,-224406,-62607981] 1
3990s (1 curve)	1	2- 3+ 5- 7+ 19+	2- 3+ 5- 7+ -1  1 -1 19+
Curve Equation t Generators 3990s1 [1,1,1,-25,47] 1 [5:6:1]
3990t (6 curves)	1	2- 3+ 5- 7+ 19+	2- 3+ 5- 7+ -4 -2  2 19+
Curve Equation t Generators 3990t1 [1,1,1,3830,-35305] 4 [13:123:1] 3990t2 [1,1,1,-16650,-313833] 8 [-113:431:1] 3990t3 [1,1,1,-216650,-38873833] 4 [-273:271:1] 3990t4 [1,1,1,-144330,20829975] 4 [243:303:1] 3990t5 [1,1,1,-3465650,-2484721033] 2 [4327:249941:1] 3990t6 [1,1,1,-167650,-56866633] 2 [707:13011:1]
3990u (6 curves)	0	2- 3+ 5- 7+ 19-	2- 3+ 5- 7+  4 -2  2 19-
Curve Equation t 3990u1 [1,1,1,-875,9305] 4 3990u2 [1,1,1,-2155,-26023] 8 3990u3 [1,1,1,-31035,-2116935] 4 3990u4 [1,1,1,6245,-170503] 4 3990u5 [1,1,1,-496535,-134877535] 2 3990u6 [1,1,1,-27615,-2597103] 2
3990v (1 curve)	1	2- 3+ 5- 7- 19-	2- 3+ 5- 7- -5  1 -7 19-
Curve Equation t Generators 3990v1 [1,1,1,-125615,61201397] 1 [7107:-602054:1]
3990w (2 curves)	1	2- 3- 5+ 7+ 19+	2- 3- 5+ 7+ -2 -2  0 19+
Curve Equation t Generators 3990w1 [1,0,0,-2106,34020] 2 [-12:-234:1] 3990w2 [1,0,0,2374,160356] 2 [88:-1070:1]
3990x (1 curve)	0	2- 3- 5+ 7+ 19-	2- 3- 5+ 7+  1  1  4 19-
Curve Equation t 3990x1 [1,0,0,84,-24] 1
3990y (4 curves)	1	2- 3- 5+ 7- 19-	2- 3- 5+ 7- -4 -6 -2 19-
Curve Equation t Generators 3990y1 [1,0,0,-6451,-198175] 2 [-46:65:1] 3990y2 [1,0,0,-11571,159201] 4 [-84:777:1] 3990y3 [1,0,0,-148371,21965121] 2 [240:321:1] 3990y4 [1,0,0,43309,1245825] 2 [-14:805:1]
3990z (1 curve)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+ -1  1 -4 19+
Curve Equation t 3990z1 [1,0,0,155,-1225] 1
3990ba (1 curve)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+ -1  1  7 19+
Curve Equation t 3990ba1 [1,0,0,-190366575,325694589866937] 1
3990bb (6 curves)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+  4  6  2 19+
Curve Equation t 3990bb1 [1,0,0,-10105,390137] 4 3990bb2 [1,0,0,-10185,383625] 8 3990bb3 [1,0,0,-24765,-966483] 4 3990bb4 [1,0,0,3115,1317285] 4 3990bb5 [1,0,0,-355515,-81603333] 2 3990bb6 [1,0,0,72705,-6678225] 2
3990bc (2 curves)	0	2- 3- 5- 7+ 19+	2- 3- 5- 7+  6 -6  0 19+
Curve Equation t 3990bc1 [1,0,0,-25,-43] 2 3990bc2 [1,0,0,45,-225] 2

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