Cremona's table of elliptic curves

Conductor 31939

31939 = 19 · 412

Isogeny classes of curves of conductor 31939 [newforms of level 31939]

Class r Atkin-Lehner Eigenvalues
31939a (1 curve) 1 19+ 41+  0  1  2 -2  2 -5 -4 19+
31939b (3 curves) 1 19+ 41+  0  2  3  1 -3  4  3 19+
31939c (1 curve) 1 19+ 41+ -1 -2  3 -4  4  2  3 19+
31939d (1 curve) 0 19- 41+  0 -1  2  2 -2  5  4 19-
31939e (1 curve) 1 19- 41- -1  2  3  4 -4 -2 -3 19-

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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