Cremona's table of elliptic curves

Conductor 42581

42581 = 72 · 11 · 79



Isogeny classes of curves of conductor 42581 [newforms of level 42581]

Class r Atkin-Lehner Eigenvalues
42581a (1 curve) 2 7+ 11- 79+  0 -2  1 7+ 11-  0 -3 -2
42581b (1 curve) 0 7- 11+ 79+  0 -1  4 7- 11+ -3  6  5
42581c (1 curve) 2 7- 11+ 79+  1 -1 -1 7- 11+ -5  0  4
42581d (2 curves) 0 7- 11+ 79+  1 -2 -2 7- 11+  0  2  2
42581e (1 curve) 0 7- 11+ 79+  2  1  0 7- 11+  1 -2  5
42581f (1 curve) 0 7- 11+ 79+  2 -1  0 7- 11+ -1  2 -5
42581g (1 curve) 2 7- 11+ 79+ -2 -1 -1 7- 11+ -2  0 -2
42581h (1 curve) 1 7- 11+ 79-  0  1  0 7- 11+ -7 -6  1
42581i (1 curve) 1 7- 11+ 79-  2 -1  0 7- 11+  6 -4  1
42581j (1 curve) 1 7- 11- 79+  0  2 -1 7- 11-  0  3  2
42581k (1 curve) 1 7- 11- 79+ -1  1 -4 7- 11- -3 -8 -4
42581l (2 curves) 1 7- 11- 79+ -1  2 -2 7- 11- -2  0  4
42581m (1 curve) 0 7- 11- 79-  0 -1  4 7- 11- -2 -2  1
42581n (1 curve) 0 7- 11- 79-  1  1 -1 7- 11- -1  8  0
42581o (1 curve) 0 7- 11- 79-  1 -1  0 7- 11- -3  4  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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