Cremona's table of elliptic curves

Conductor 18040

18040 = 23 · 5 · 11 · 41



Isogeny classes of curves of conductor 18040 [newforms of level 18040]

Class r Atkin-Lehner Eigenvalues
18040a (1 curve) 1 2+ 5+ 11+ 41+ 2+  0 5+ -2 11+  5  0  2
18040b (2 curves) 1 2+ 5+ 11+ 41+ 2+ -2 5+  0 11+ -6  6  4
18040c (1 curve) 0 2+ 5- 11+ 41+ 2+  1 5-  3 11+  0  3 -5
18040d (2 curves) 0 2+ 5- 11+ 41+ 2+ -2 5- -2 11+  4  0  4
18040e (1 curve) 1 2- 5+ 11+ 41- 2- -1 5+  1 11+  4 -3 -1
18040f (1 curve) 1 2- 5+ 11- 41+ 2- -2 5+  4 11- -3 -4  0
18040g (2 curves) 1 2- 5- 11+ 41+ 2-  2 5- -2 11+  4 -4 -4
18040h (2 curves) 0 2- 5- 11+ 41- 2-  2 5-  4 11+ -2  0  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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