Cremona's table of elliptic curves

138 = 2 · 3 · 23

Class	r	Atkin-Lehner	Eigenvalues
138a (2 curves)	1	2+ 3+ 23+	2+ 3+ -2 -2 -6 -2  0  0
Curve Equation t Generators 138a1 [1,1,0,-1,1] 2 [0:1:1] 138a2 [1,1,0,-31,55] 2 [-3:13:1]
138b (4 curves)	0	2+ 3- 23+	2+ 3-  0  2  0  2  0  2
Curve Equation t 138b1 [1,0,1,-36,82] 6 138b2 [1,0,1,-576,5266] 6 138b3 [1,0,1,189,190] 2 138b4 [1,0,1,-771,1342] 2
138c (4 curves)	0	2- 3+ 23+	2- 3+  2  0  0 -2  2 -8
Curve Equation t 138c1 [1,1,1,3,3] 4 138c2 [1,1,1,-17,11] 4 138c3 [1,1,1,-107,-457] 2 138c4 [1,1,1,-247,1391] 2

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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