Cremona's table of elliptic curves

56693 = 7² · 13 · 89

Class	r	Atkin-Lehner	Eigenvalues
56693a (1 curve)	0	7- 13+ 89+	0 -3 -2 7-  0 13+ -4  2
Curve Equation t 56693a1 [0,0,1,-150136,-25293249] 1
56693b (1 curve)	1	7- 13+ 89-	2 -2 -2 7-  4 13+ -3  5
Curve Equation t Generators 56693b1 [0,1,1,-2564,48591] 1 [-246:2517:8]
56693c (1 curve)	0	7- 13- 89-	0  2  0 7-  2 13-  1 -5
Curve Equation t 56693c1 [0,-1,1,-163,629] 1
56693d (1 curve)	2	7- 13- 89-	-1 -1 -3 7-  2 13-  5 -1
Curve Equation t Generators 56693d1 [1,1,1,293,-26118] 1 [27:35:1]&[48:-343:1]

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

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