Cremona's table of elliptic curves

Conductor 220

220 = 22 · 5 · 11



Isogeny classes of curves of conductor 220 [newforms of level 220]

Class r Atkin-Lehner Eigenvalues
220a (4 curves) 1 2- 5- 11+ 2- -2 5- -4 11+ -4  0 -4
220b (2 curves) 0 2- 5- 11- 2-  2 5-  0 11-  0 -4 -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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