Cremona's table of elliptic curves

31487 = 23 · 37²

Class	r	Atkin-Lehner	Eigenvalues
31487a (2 curves)	0	23+ 37-	2  1 -3 -2 -2 -4  3 -1
Curve Equation t 31487a1 [0,1,1,-320802,-70092965] 1 31487a2 [0,1,1,2211848,577961517] 1
31487b (1 curve)	0	23- 37+	2  1  0 -3  1 -4  0 -2
Curve Equation t 31487b1 [0,1,1,-38788,2907591] 1
31487c (2 curves)	1	23- 37-	-2  1  3 -2 -2  4 -3  1
Curve Equation t Generators 31487c1 [0,1,1,-234,-1460] 1 [170:477:8] 31487c2 [0,1,1,1616,11934] 1 [456:9786:1]

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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