Cremona's table of elliptic curves

Conductor 21976

21976 = 23 · 41 · 67



Isogeny classes of curves of conductor 21976 [newforms of level 21976]

Class r Atkin-Lehner Eigenvalues
21976a (1 curve) 0 2+ 41+ 67- 2+  0  0  1  5  1 -4 -6
21976b (1 curve) 1 2+ 41- 67- 2+  0  4  1 -3 -1  0 -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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