Field | Data | Notes |
---|---|---|
Atkin-Lehner | 2+ 29+ 47- | Signs for the Atkin-Lehner involutions |
Conductor | 21808 | Conductor |
Count | 1 | Number of curves in isogeny class |
Curves | 21808a1 | Curves in isogeny class |
deg | 7968 | Modular degree for the optimal curve |
Eigenvalues | 2+ 2 4 1 -3 -4 0 0 | Hecke eigenvalues for primes less than 20 |
L | 4.9066209477025 | L(r)(E,1)/r! |
r | 0 | Rank of the group of rational points |
Twists | 10904b 87232v | Quadratic twists by: -4 8 |