Cremona's table of elliptic curves

Conductor 690

690 = 2 · 3 · 5 · 23

Isogeny classes of curves of conductor 690 [newforms of level 690]

Class r Atkin-Lehner Eigenvalues
690a (2 curves) 1 2+ 3+ 5+ 23+ 2+ 3+ 5+ -2  6 -2  0 -4
690b (2 curves) 0 2+ 3+ 5+ 23- 2+ 3+ 5+  4 -2  0  2  0
690c (2 curves) 0 2+ 3+ 5- 23+ 2+ 3+ 5- -2  2 -2  0  8
690d (2 curves) 0 2+ 3+ 5- 23+ 2+ 3+ 5-  4  2  4 -6 -4
690e (4 curves) 1 2+ 3- 5+ 23- 2+ 3- 5+  0 -4 -6 -6  4
690f (4 curves) 0 2+ 3- 5- 23- 2+ 3- 5-  0  4 -2  2  0
690g (4 curves) 0 2- 3+ 5+ 23+ 2- 3+ 5+  0  0  6  2  0
690h (2 curves) 1 2- 3+ 5+ 23- 2- 3+ 5+ -2 -2 -6 -4  0
690i (2 curves) 0 2- 3- 5+ 23- 2- 3- 5+  0  2  0  6  4
690j (2 curves) 0 2- 3- 5- 23+ 2- 3- 5-  0 -2  4  6 -8
690k (6 curves) 0 2- 3- 5- 23+ 2- 3- 5-  0  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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