Cremona's table of elliptic curves

1587 = 3 · 23²

Class	r	Atkin-Lehner	Eigenvalues
1587a (2 curves)	0	3+ 23-	1 3+  4  4  0 -2  4  4
Curve Equation t 1587a1 [1,1,0,-68,195] 2 1587a2 [1,1,0,-1103,13650] 2
1587b (2 curves)	0	3+ 23-	1 3+ -4 -4  0 -2 -4 -4
Curve Equation t 1587b1 [1,1,0,-36247,-2734160] 2 1587b2 [1,1,0,-583762,-171916295] 2
1587c (2 curves)	1	3- 23-	1 3-  0  2 -4 -6 -4 -2
Curve Equation t Generators 1587c1 [1,0,1,-276,8581] 2 [343:6176:1] 1587c2 [1,0,1,-8211,284719] 2 [22228:390365:64]
1587d (1 curve)	1	3- 23-	-2 3-  0  1  4 -3 -8 -4
Curve Equation t Generators 1587d1 [0,1,1,-20278,-1284182] 1 [176:793:1]
1587e (1 curve)	1	3- 23-	-2 3-  0 -1 -4 -3  8  4
Curve Equation t Generators 1587e1 [0,1,1,-38,92] 1 [4:-5:1]

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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