Cremona's table of elliptic curves

87131 = 11 · 89²

Class	r	Atkin-Lehner	Eigenvalues
87131a (1 curve)	1	11+ 89+	0 -2  3  0 11+  1  6 -4
Curve Equation t Generators 87131a1 [0,1,1,5281,-1049166] 1 [61434:27359:729]
87131b (2 curves)	0	11- 89+	1 -2 -2  2 11-  2 -2  6
Curve Equation t 87131b1 [1,0,1,-116015092,-480969378915] 2 87131b2 [1,0,1,-111222887,-522517796265] 2
87131c (3 curves)	0	11- 89+	-2  1  1  2 11- -4 -2  0
Curve Equation t 87131c1 [0,1,1,-2640,123142] 1 87131c2 [0,1,1,-81850,-16352538] 1 87131c3 [0,1,1,-61944860,-187673872478] 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
Back to Tables and computations