Cremona's table of elliptic curves

56108 = 2² · 13² · 83

Class	r	Atkin-Lehner	Eigenvalues
56108a (1 curve)	0	2- 13+ 83+	2- -1  2 -1  5 13+  7  5
Curve Equation t 56108a1 [0,-1,0,-342,-2315] 1
56108b (1 curve)	0	2- 13+ 83+	2-  3 -2 -1 -3 13+ -5  7
Curve Equation t 56108b1 [0,0,0,-1261,65] 1
56108c (1 curve)	0	2- 13+ 83+	2- -3 -2 -1 -3 13+  1  4
Curve Equation t 56108c1 [0,0,0,-676,-50531] 1
56108d (1 curve)	1	2- 13+ 83-	2- -1 -2  1 -5 13+  7 -5
Curve Equation t Generators 56108d1 [0,-1,0,-57854,-5317391] 1 [620:-14027:1]
56108e (1 curve)	1	2- 13+ 83-	2-  3  2  1  3 13+ -5 -7
Curve Equation t Generators 56108e1 [0,0,0,-213109,142805] 1 [-1635:96695:27]

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

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