Field | Data | Notes |
---|---|---|
Atkin-Lehner | 3- 7+ | Signs for the Atkin-Lehner involutions |
Conductor | 21 | Conductor |
Count | 6 | Number of curves in isogeny class |
Curves | 21a1 21a2 21a3 21a4 21a5 21a6 | Curves in isogeny class |
deg | 1 | Modular degree for the optimal curve |
Eigenvalues | -1 3- -2 7+ 4 -2 -6 4 | Hecke eigenvalues for primes less than 20 |
L | 0.45111540538849 | L(r)(E,1)/r! |
r | 0 | Rank of the group of rational points |
Twists | 336e 1344a 63a 525b | Quadratic twists by: -4 8 -3 5 |