Cremona's table of elliptic curves

28700 = 2² · 5² · 7 · 41

Class	r	Atkin-Lehner	Eigenvalues
28700a (2 curves)	2	2- 5+ 7+ 41+	2-  0 5+ 7+ -2 -2 -2 -6
Curve Equation t Generators 28700a1 [0,0,0,-1300,-6375] 2 [240:-3675:1]&[-21:108:1] 28700a2 [0,0,0,4825,-49250] 2 [51:-574:1]&[30:350:1]
28700b (2 curves)	0	2- 5+ 7+ 41+	2-  2 5+ 7+  0  4  0  5
Curve Equation t 28700b1 [0,-1,0,-1533,34937] 1 28700b2 [0,-1,0,12467,-525063] 1
28700c (2 curves)	0	2- 5+ 7- 41-	2-  0 5+ 7-  4 -4  0 -4
Curve Equation t 28700c1 [0,0,0,-1700,22125] 2 28700c2 [0,0,0,3425,129750] 2
28700d (1 curve)	0	2- 5+ 7- 41-	2- -1 5+ 7- -3 -3 -1  6
Curve Equation t 28700d1 [0,-1,0,-287133,-59127863] 1

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

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