Atkin-Lehner |
89+ |
Signs for the Atkin-Lehner involutions |
Class |
7921a |
Isogeny class |
Conductor |
7921 |
Conductor |
∏ cp |
4 |
Product of Tamagawa factors cp |
Δ |
-3936588805702081 = -1 · 898 |
Discriminant |
Eigenvalues |
1 -2 -2 -2 -4 -2 6 2 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,0,1,27558,2454185] |
[a1,a2,a3,a4,a6] |
Generators |
[623510:15878269:1000] |
Generators of the group modulo torsion |
j |
4657463/7921 |
j-invariant |
L |
2.0248121297009 |
L(r)(E,1)/r! |
Ω |
0.30152802074071 |
Real period |
R |
6.7151706986531 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
126736h2 71289e2 89b1 |
Quadratic twists by: -4 -3 89 |