Cremona's table of elliptic curves

55815 = 3 · 5 · 61²

Class	r	Atkin-Lehner	Eigenvalues
55815a (1 curve)	1	3+ 5+ 61+	2 3+ 5+ -2  3 -2 -8  7
Curve Equation t Generators 55815a1 [0,-1,1,-87690326,-256954835143] 1 [23953136151762032922906152972161051924580580347781910:30725743208186469656436674044279910862552884733859191437:14556869925382026685246869457239100774060259000]
55815b (1 curve)	1	3+ 5+ 61+	-2 3+ 5+  2 -3 -2  8  7
Curve Equation t Generators 55815b1 [0,-1,1,-23566,-1124328] 1 [175:283:1]
55815c (8 curves)	0	3+ 5- 61+	1 3+ 5-  0  4 -2 -2  4
Curve Equation t 55815c1 [1,1,0,-77,42264] 2 55815c2 [1,1,0,-18682,961351] 4 55815c3 [1,1,0,-37287,-1297296] 4 55815c4 [1,1,0,-297757,62413666] 2 55815c5 [1,1,0,130158,-9569079] 2 55815c6 [1,1,0,-502412,-137206821] 4 55815c7 [1,1,0,-409387,-189468266] 2 55815c8 [1,1,0,-8037437,-8773852476] 2
55815d (4 curves)	0	3+ 5- 61+	-1 3+ 5-  0  0 -2  2 -4
Curve Equation t 55815d1 [1,1,1,-214035,38019720] 4 55815d2 [1,1,1,-232640,30994472] 4 55815d3 [1,1,1,604585,204132602] 2 55815d4 [1,1,1,-1367545,-591387430] 2
55815e (1 curve)	0	3+ 5- 61+	2 3+ 5-  0  0 -5  2 -1
Curve Equation t 55815e1 [0,-1,1,-20,-37] 1
55815f (1 curve)	0	3+ 5- 61+	-2 3+ 5-  0  0 -5 -2 -1
Curve Equation t 55815f1 [0,-1,1,-75660,-9846352] 1
55815g (1 curve)	0	3+ 5- 61+	-2 3+ 5- -3  4  4 -8  7
Curve Equation t 55815g1 [0,-1,1,-1712900,-2661951892] 1
55815h (1 curve)	0	3- 5+ 61+	1 3- 5+  2  2 -2 -7 -1
Curve Equation t 55815h1 [1,0,1,-1359,28621] 1
55815i (1 curve)	0	3- 5+ 61+	-1 3- 5+ -2 -2 -2  7 -1
Curve Equation t 55815i1 [1,0,0,-5055056,6521755095] 1
55815j (1 curve)	0	3- 5+ 61+	-2 3- 5+ -1 -4  4 -4 -1
Curve Equation t 55815j1 [0,1,1,-23566,-5154860] 1
55815k (2 curves)	1	3- 5- 61+	1 3- 5-  2  2 -2  2 -4
Curve Equation t Generators 55815k1 [1,0,1,185972,23356973] 2 [1179:42790:1] 55815k2 [1,0,1,-948933,209027431] 2 [65:12117:1]
55815l (1 curve)	0	3- 5- 61-	2 3- 5-  3 -4  6  2  3
Curve Equation t 55815l1 [0,1,1,-20760,-1158811] 1
55815m (1 curve)	0	3- 5- 61-	-2 3- 5- -3  4  6 -2  3
Curve Equation t 55815m1 [0,1,1,-77249200,-261483047246] 1

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