Cremona's table of elliptic curves

Conductor 21472

21472 = 25 · 11 · 61



Isogeny classes of curves of conductor 21472 [newforms of level 21472]

Class r Atkin-Lehner Eigenvalues
21472a (1 curve) 1 2+ 11+ 61+ 2+ -1  0 -2 11+  5  5  4
21472b (1 curve) 2 2+ 11- 61+ 2+ -1 -3 -2 11- -4 -4  4
21472c (1 curve) 2 2- 11+ 61+ 2-  1 -3  2 11+ -4 -4 -4
21472d (4 curves) 1 2- 11+ 61- 2-  0 -2 -4 11+ -2 -6  8
21472e (1 curve) 1 2- 11+ 61- 2- -3  1  2 11+  4  0 -4
21472f (1 curve) 1 2- 11- 61+ 2-  1  0  2 11-  5  5 -4
21472g (4 curves) 0 2- 11- 61- 2-  0 -2  4 11- -2 -6 -8
21472h (1 curve) 0 2- 11- 61- 2-  3  1 -2 11-  4  0  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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