Cremona's table of elliptic curves

Conductor 20856

20856 = 23 · 3 · 11 · 79



Isogeny classes of curves of conductor 20856 [newforms of level 20856]

Class r Atkin-Lehner Eigenvalues
20856a (1 curve) 0 2- 3- 11- 79+ 2- 3-  1  0 11- -1  6  1
20856b (4 curves) 0 2- 3- 11- 79+ 2- 3- -2  0 11- -2  6 -4


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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