Atkin-Lehner |
2+ 7+ 47- |
Signs for the Atkin-Lehner involutions |
Class |
21056h |
Isogeny class |
Conductor |
21056 |
Conductor |
∏ cp |
8 |
Product of Tamagawa factors cp |
Δ |
226997829632 = 221 · 72 · 472 |
Discriminant |
Eigenvalues |
2+ -2 -2 7+ 2 -2 6 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,-3169,-65793] |
[a1,a2,a3,a4,a6] |
j |
13430356633/865928 |
j-invariant |
L |
1.2777349044948 |
L(r)(E,1)/r! |
Ω |
0.63886745224739 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
21056ba2 658b2 |
Quadratic twists by: -4 8 |