Cremona's table of elliptic curves

Conductor 42439

42439 = 31 · 372

Isogeny classes of curves of conductor 42439 [newforms of level 42439]

Class r Atkin-Lehner Eigenvalues
42439a (1 curve) 1 31+ 37+  0 -1  2 -5 -3  2  0  6
42439b (2 curves) 1 31+ 37+  2 -1  4  3 -3 -4  2  0
42439c (1 curve) 0 31+ 37- -1  2  0  5  2  3  2 -6
42439d (1 curve) 1 31- 37-  1  2  0  5  2 -3 -2  6

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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