Cremona's table of elliptic curves

Conductor 21240

21240 = 23 · 32 · 5 · 59

Isogeny classes of curves of conductor 21240 [newforms of level 21240]

Class r Atkin-Lehner Eigenvalues
21240a (1 curve) 1 2+ 3+ 5- 59- 2+ 3+ 5-  3  0 -3 -1  8
21240b (1 curve) 2 2+ 3- 5+ 59+ 2+ 3- 5+ -1 -2 -5 -1 -6
21240c (2 curves) 0 2+ 3- 5+ 59+ 2+ 3- 5+  4  0  4 -6  4
21240d (2 curves) 1 2+ 3- 5+ 59- 2+ 3- 5+  0  0  0  2 -4
21240e (2 curves) 1 2+ 3- 5+ 59- 2+ 3- 5+ -4  0 -4 -6  4
21240f (1 curve) 2 2+ 3- 5- 59- 2+ 3- 5- -4 -3 -5 -7 -3
21240g (1 curve) 0 2- 3+ 5+ 59+ 2- 3+ 5+  3  0 -3  1  8
21240h (1 curve) 1 2- 3- 5+ 59+ 2- 3- 5+  2 -3 -1  5  1
21240i (2 curves) 1 2- 3- 5+ 59+ 2- 3- 5+ -4  0 -4  2  4
21240j (4 curves) 0 2- 3- 5+ 59- 2- 3- 5+  0  4  2 -2 -4
21240k (1 curve) 0 2- 3- 5+ 59- 2- 3- 5+ -3 -2 -1  7  2
21240l (1 curve) 0 2- 3- 5- 59+ 2- 3- 5-  1  6 -3 -7 -2
21240m (1 curve) 0 2- 3- 5- 59+ 2- 3- 5-  5 -3  1  7  6
21240n (1 curve) 1 2- 3- 5- 59- 2- 3- 5- -2  3  3 -1  1

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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