Atkin-Lehner |
3- 5+ 13+ 37+ |
Signs for the Atkin-Lehner involutions |
Class |
7215f |
Isogeny class |
Conductor |
7215 |
Conductor |
∏ cp |
24 |
Product of Tamagawa factors cp |
deg |
18432 |
Modular degree for the optimal curve |
Δ |
27000192155625 = 312 · 54 · 133 · 37 |
Discriminant |
Eigenvalues |
1 3- 5+ 4 0 13+ 2 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,0,1,-7769,-84049] |
[a1,a2,a3,a4,a6] |
j |
51848800828831369/27000192155625 |
j-invariant |
L |
3.2308604536204 |
L(r)(E,1)/r! |
Ω |
0.53847674227006 |
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 |
115440bh1 21645m1 36075g1 93795bc1 |
Quadratic twists by: -4 -3 5 13 |