Cremona's table of elliptic curves

155 = 5 · 31

Class	r	Atkin-Lehner	Eigenvalues
155c (1 curve)	1	5+ 31+	0 -1 5+  0 -4 -6  5 -1
Curve Equation t Generators 155c1 [0,-1,1,-1,1] 1 [1:0:1]
155b (2 curves)	0	5+ 31-	-1  2 5+  4  4  0 -8  4
Curve Equation t 155b1 [1,1,1,-1,-2] 2 155b2 [1,1,1,-26,-62] 2
155a (2 curves)	1	5- 31-	-2 -1 5- -2  2 -6 -7 -5
Curve Equation t Generators 155a1 [0,-1,1,10,6] 5 [2:5:1] 155a2 [0,-1,1,-840,-9114] 1 [67:480:1]

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

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