Atkin-Lehner |
3+ 7- 11+ 13+ |
Signs for the Atkin-Lehner involutions |
Class |
21021a |
Isogeny class |
Conductor |
21021 |
Conductor |
∏ cp |
8 |
Product of Tamagawa factors cp |
Δ |
-19283136191556237 = -1 · 32 · 79 · 11 · 136 |
Discriminant |
Eigenvalues |
1 3+ 0 7- 11+ 13+ 2 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,1,0,-26975,6884046] |
[a1,a2,a3,a4,a6] |
j |
-53796109375/477854091 |
j-invariant |
L |
0.66001292518102 |
L(r)(E,1)/r! |
Ω |
0.33000646259051 |
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 |
63063u2 21021j2 |
Quadratic twists by: -3 -7 |