Cremona's table of elliptic curves

Conductor 39928

39928 = 2³ · 7 · 23 · 31

Isogeny classes of curves of conductor 39928 [newforms of level 39928]

Class

r

Atkin-Lehner

Eigenvalues

39928a (2 curves)

1

²+ ⁷+ ²³- ³¹-

²+ 2 0 ⁷+ 0 0 -2 6

39928b (2 curves)

1

²+ ⁷- ²³- ³¹+

²+ 2 0 ⁷- 4 4 -6 -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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