Cremona's table of elliptic curves

Conductor 20540

20540 = 22 · 5 · 13 · 79



Isogeny classes of curves of conductor 20540 [newforms of level 20540]

Class r Atkin-Lehner Eigenvalues
20540a (1 curve) 1 2- 5+ 13+ 79- 2-  1 5+ -1  1 13+ -2  4
20540b (1 curve) 0 2- 5- 13- 79+ 2-  0 5-  3  0 13-  2  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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