Cremona's table of elliptic curves

Conductor 39840

39840 = 25 · 3 · 5 · 83

Isogeny classes of curves of conductor 39840 [newforms of level 39840]

Class r Atkin-Lehner Eigenvalues
39840a (2 curves) 1 2+ 3+ 5+ 83+ 2+ 3+ 5+  0 -4 -4 -6 -8
39840b (2 curves) 0 2+ 3+ 5+ 83- 2+ 3+ 5+  4  6  2  8 -2
39840c (2 curves) 0 2+ 3+ 5- 83+ 2+ 3+ 5-  0 -6  4 -4  2
39840d (2 curves) 1 2+ 3+ 5- 83- 2+ 3+ 5- -2  0  2  2  8
39840e (2 curves) 0 2+ 3- 5+ 83+ 2+ 3- 5+  0 -2  0 -4  6
39840f (2 curves) 0 2+ 3- 5+ 83+ 2+ 3- 5+ -4 -6  2  8  2
39840g (2 curves) 1 2+ 3- 5- 83+ 2+ 3- 5-  2  4 -6  6 -4
39840h (2 curves) 1 2- 3+ 5+ 83- 2- 3+ 5+  0  2  0 -4 -6
39840i (4 curves) 1 2- 3+ 5- 83+ 2- 3+ 5-  4 -4 -2  6 -4
39840j (2 curves) 0 2- 3+ 5- 83- 2- 3+ 5- -2 -4 -6  6  4
39840k (2 curves) 0 2- 3- 5+ 83- 2- 3- 5+  0  4 -4 -6  8
39840l (2 curves) 0 2- 3- 5- 83+ 2- 3- 5-  2  0  2  2 -8
39840m (2 curves) 1 2- 3- 5- 83- 2- 3- 5-  0  6  4 -4 -2
39840n (4 curves) 1 2- 3- 5- 83- 2- 3- 5- -4  4 -2  6  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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