Cremona's table of elliptic curves

8428 = 2² · 7² · 43

Class	r	Atkin-Lehner	Eigenvalues
8428a (1 curve)	1	2- 7+ 43-	2- -3 -1 7+ -3  2  3 -5
Curve Equation t Generators 8428a1 [0,0,0,-1813,-24059] 1 [-17:43:1]
8428b (2 curves)	0	2- 7- 43-	2-  2  0 7- -3  1  3 -2
Curve Equation t 8428b1 [0,-1,0,-653,-6439] 1 8428b2 [0,-1,0,3267,-20551] 1
8428c (1 curve)	0	2- 7- 43-	2- -2  4 7-  5  1  3  6
Curve Equation t 8428c1 [0,1,0,-217821,39276607] 1
8428d (1 curve)	0	2- 7- 43-	2-  3  1 7- -3 -2 -3  5
Curve Equation t 8428d1 [0,0,0,-88837,8252237] 1

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

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