Field | Data | Notes |
---|---|---|
Atkin-Lehner | 2+ 3- 5+ 43+ | Signs for the Atkin-Lehner involutions |
Conductor | 20640 | Conductor |
Count | 4 | Number of curves in isogeny class |
Curves | 20640h1 20640h2 20640h3 20640h4 | Curves in isogeny class |
deg | 9216 | Modular degree for the optimal curve |
Eigenvalues | 2+ 3- 5+ -4 0 2 2 4 | Hecke eigenvalues for primes less than 20 |
L | 1.8946351781218 | L(r)(E,1)/r! |
r | 0 | Rank of the group of rational points |
Twists | 20640c 41280cs 61920bz 103200by | Quadratic twists by: -4 8 -3 5 |