Cremona's table of elliptic curves

Conductor 20090

20090 = 2 · 5 · 72 · 41



Isogeny classes of curves of conductor 20090 [newforms of level 20090]

Class r Atkin-Lehner Eigenvalues
20090a (2 curves) 2 2+ 5+ 7- 41+ 2+  0 5+ 7- -6  2 -8  6
20090b (4 curves) 1 2+ 5+ 7- 41- 2+  2 5+ 7-  0  4  0 -8
20090c (4 curves) 1 2+ 5- 7- 41+ 2+  2 5- 7-  0 -2  0  4
20090d (2 curves) 1 2+ 5- 7- 41+ 2+  2 5- 7- -4  2  4  8
20090e (2 curves) 0 2+ 5- 7- 41- 2+  0 5- 7-  6  0  0  2
20090f (4 curves) 0 2+ 5- 7- 41- 2+  2 5- 7-  6  4  6 -2
20090g (4 curves) 1 2- 5+ 7- 41+ 2-  0 5+ 7-  0  2 -2  0
20090h (1 curve) 1 2- 5+ 7- 41+ 2-  2 5+ 7-  0 -3 -4  6
20090i (1 curve) 0 2- 5- 7+ 41- 2- -2 5- 7+  0  3  4 -6
20090j (2 curves) 0 2- 5- 7- 41+ 2-  2 5- 7-  2  6  6  2


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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