Atkin-Lehner |
2- 7- 19- |
Signs for the Atkin-Lehner involutions |
Class |
4256b |
Isogeny class |
Conductor |
4256 |
Conductor |
∏ cp |
12 |
Product of Tamagawa factors cp |
Δ |
507179008 = 212 · 73 · 192 |
Discriminant |
Eigenvalues |
2- 0 2 7- 0 -4 6 19- |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,-1804,-29472] |
[a1,a2,a3,a4,a6] |
j |
158516094528/123823 |
j-invariant |
L |
2.1977689875392 |
L(r)(E,1)/r! |
Ω |
0.73258966251306 |
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 |
4256a2 8512c1 38304w2 106400f2 |
Quadratic twists by: -4 8 -3 5 |