Cremona's table of elliptic curves

Conductor 561

561 = 3 · 11 · 17



Isogeny classes of curves of conductor 561 [newforms of level 561]

Class r Atkin-Lehner Eigenvalues
561a (1 curve) 0 3+ 11- 17+  0 3+ -2 -3 11-  2 17+  2
561b (1 curve) 1 3- 11- 17+  0 3- -2  1 11- -6 17+ -6
561c (1 curve) 1 3- 11- 17+ -2 3-  0 -3 11- -4 17+ -2
561d (4 curves) 0 3- 11- 17- -1 3-  2  0 11- -2 17-  8


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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