Cremona's table of elliptic curves

81995 = 5 · 23² · 31

Class	r	Atkin-Lehner	Eigenvalues
81995a (2 curves)	1	5+ 23- 31-	-2 -1 5+  2 -2 -6  7  5
Curve Equation t Generators 81995a1 [0,-1,1,5114,-117404] 1 [31:264:1] 81995a2 [0,-1,1,-444536,114442836] 1 [606:8199:1]
81995b (1 curve)	1	5- 23- 31+	0 -1 5-  0  4 -6 -5  1
Curve Equation t Generators 81995b1 [0,-1,1,-705,-10017] 1 [123:1322:1]
81995c (1 curve)	0	5- 23- 31-	1 -1 5-  1  6 -4  7  4
Curve Equation t 81995c1 [1,1,0,-943482,-361035911] 1
81995d (2 curves)	0	5- 23- 31-	-1  2 5- -4 -4  0  8 -4
Curve Equation t 81995d1 [1,1,1,-540,16772] 2 81995d2 [1,1,1,-13765,614542] 2
81995e (1 curve)	0	5- 23- 31-	-2 -1 5-  4  0  2  1  7
Curve Equation t 81995e1 [0,-1,1,1940,-165014] 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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