Cremona's table of elliptic curves

42550 = 2 · 5² · 23 · 37

Class	r	Atkin-Lehner	Eigenvalues
42550a (1 curve)	1	2+ 5+ 23+ 37+	2+  1 5+ -2  5  0  3  7
Curve Equation t Generators 42550a1 [1,0,1,-2171,38758] 1 [28:-3:1]
42550b (2 curves)	1	2+ 5+ 23+ 37+	2+ -1 5+  4 -3 -2 -6  2
Curve Equation t Generators 42550b1 [1,1,0,14850,752500] 1 [-35:455:1] 42550b2 [1,1,0,-146150,-33540500] 1 [1036255:23489685:1331]
42550c (1 curve)	1	2+ 5+ 23+ 37+	2+ -2 5+ -2 -4 -3  6 -2
Curve Equation t Generators 42550c1 [1,0,1,-951,-12952] 1 [38:59:1]
42550d (2 curves)	2	2+ 5+ 23+ 37-	2+ -2 5+  2 -4 -2 -2  0
Curve Equation t Generators 42550d1 [1,0,1,-2026,29448] 2 [-32:264:1]&[7:121:1] 42550d2 [1,0,1,3724,167448] 2 [12:-469:1]&[38:584:1]
42550e (2 curves)	0	2+ 5+ 23- 37+	2+  0 5+ -4  0 -2  6  6
Curve Equation t 42550e1 [1,-1,0,-2792,-52884] 2 42550e2 [1,-1,0,-8542,240366] 2
42550f (4 curves)	0	2+ 5+ 23- 37+	2+  0 5+ -4  4  2 -2  0
Curve Equation t 42550f1 [1,-1,0,-1820417,717159741] 2 42550f2 [1,-1,0,-10012417,-11595416259] 4 42550f3 [1,-1,0,6915583,-46822584259] 2 42550f4 [1,-1,0,-158012417,-764471416259] 2
42550g (1 curve)	0	2+ 5+ 23- 37+	2+  0 5+  5  1 -4  1  6
Curve Equation t 42550g1 [1,-1,0,2308,31216] 1
42550h (2 curves)	0	2+ 5+ 23- 37+	2+ -1 5+  4  6 -2  3 -1
Curve Equation t 42550h1 [1,1,0,-690,6580] 1 42550h2 [1,1,0,-6290,-191660] 1
42550i (2 curves)	1	2+ 5- 23+ 37-	2+  2 5-  4 -4  2 -2  4
Curve Equation t Generators 42550i1 [1,1,0,-1078540,-431574000] 2 [-13573393444780091778:6785529031090706811:22621486522247432] 42550i2 [1,1,0,-1078340,-431741800] 2 [2034210443757580104031047356656002:-8113307794746794641786948549942139:1689303975675385901386580345592]
42550j (1 curve)	1	2+ 5- 23- 37+	2+  0 5- -3  3 -1  6  5
Curve Equation t Generators 42550j1 [1,-1,0,-617,-4659] 1 [50:-321:1]
42550k (1 curve)	1	2+ 5- 23- 37+	2+  1 5- -4  2  6 -3 -1
Curve Equation t Generators 42550k1 [1,0,1,-26,-2] 1 [-2:7:1]
42550l (1 curve)	1	2+ 5- 23- 37+	2+  2 5-  3  3 -1 -4  3
Curve Equation t Generators 42550l1 [1,1,0,-13825,479625] 1 [-528:23537:27]
42550m (1 curve)	1	2+ 5- 23- 37+	2+  3 5-  0 -6  2 -3  5
Curve Equation t Generators 42550m1 [1,-1,0,-15742,-379834] 1 [-2985:1757:27]
42550n (1 curve)	0	2+ 5- 23- 37-	2+ -1 5-  0  3 -4  4  0
Curve Equation t 42550n1 [1,1,0,-7575,-312875] 1
42550o (1 curve)	1	2- 5+ 23+ 37-	2-  0 5+  3  3  1 -6  5
Curve Equation t Generators 42550o1 [1,-1,1,-15430,-597803] 1 [-47:171:1]
42550p (1 curve)	1	2- 5+ 23+ 37-	2- -1 5+  4  2 -6  3 -1
Curve Equation t Generators 42550p1 [1,1,1,-638,-219] 1 [-3090:42681:1000]
42550q (1 curve)	1	2- 5+ 23+ 37-	2- -2 5+ -3  3  1  4  3
Curve Equation t Generators 42550q1 [1,0,0,-553,3837] 1 [-22:85:1]
42550r (1 curve)	1	2- 5+ 23+ 37-	2- -3 5+  0 -6 -2  3  5
Curve Equation t Generators 42550r1 [1,-1,1,-630,-2913] 1 [-106:485:8]
42550s (1 curve)	1	2- 5+ 23- 37+	2-  1 5+  4  3 -6 -6  2
Curve Equation t Generators 42550s1 [1,0,0,-1338,-18958] 1 [106184:1451383:512]
42550t (1 curve)	1	2- 5+ 23- 37+	2- -3 5+ -4  3 -6  2  2
Curve Equation t Generators 42550t1 [1,-1,1,-3588255,2634314247] 1 [599:26150:1]
42550u (1 curve)	0	2- 5+ 23- 37-	2-  0 5+  3  5  4 -1  2
Curve Equation t 42550u1 [1,-1,1,-39505,3343747] 1
42550v (1 curve)	1	2- 5- 23+ 37+	2-  1 5-  0  3  4 -4  0
Curve Equation t Generators 42550v1 [1,0,0,-303,-2503] 1 [22:29:1]
42550w (2 curves)	0	2- 5- 23+ 37-	2-  1 5- -4  6  2 -3 -1
Curve Equation t 42550w1 [1,0,0,-17263,857017] 3 42550w2 [1,0,0,-157263,-23642983] 1
42550x (2 curves)	0	2- 5- 23- 37+	2- -2 5- -4 -4 -2  2  4
Curve Equation t 42550x1 [1,0,0,-26963513,-53892822983] 2 42550x2 [1,0,0,-26958513,-53913807983] 2
42550y (1 curve)	1	2- 5- 23- 37-	2- -1 5-  2  5  0 -3  7
Curve Equation t Generators 42550y1 [1,1,1,-54263,4844781] 1 [85:-968:1]
42550z (1 curve)	1	2- 5- 23- 37-	2-  2 5-  2 -4  3 -6 -2
Curve Equation t Generators 42550z1 [1,1,1,-38,-119] 1 [980:3093:64]

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