Cremona's table of elliptic curves

Conductor 196

196 = 22 · 72



Isogeny classes of curves of conductor 196 [newforms of level 196]

Class r Atkin-Lehner Eigenvalues
196b (2 curves) 0 2- 7+ 2-  1  3 7+ -3  2  3 -1
196a (2 curves) 1 2- 7- 2- -1 -3 7- -3 -2 -3  1


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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