Cremona's table of elliptic curves

676 = 2² · 13²

Class	r	Atkin-Lehner	Eigenvalues
676a (2 curves)	0	2- 13+	2-  0 -2  2  2 13+  6  6
Curve Equation t 676a1 [0,0,0,-676,-6591] 2 676a2 [0,0,0,169,-21970] 2
676b (2 curves)	0	2- 13+	2- -2  3  4  0 13+  3 -2
Curve Equation t 676b1 [0,1,0,-4,-12] 1 676b2 [0,1,0,-524,-4796] 1
676c (2 curves)	0	2- 13+	2- -2 -3 -4  0 13+  3  2
Curve Equation t 676c1 [0,1,0,-732,-23516] 3 676c2 [0,1,0,-88612,-10182444] 1
676d (1 curve)	0	2- 13+	2-  3  2  1 -5 13+  3 -3
Curve Equation t 676d1 [0,0,0,-169,845] 1
676e (1 curve)	0	2- 13+	2-  3 -2 -1  5 13+  3  3
Curve Equation t 676e1 [0,0,0,-28561,1856465] 1

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

Part of Computational Number Theory
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