Atkin-Lehner |
5+ 23- 31- |
Signs for the Atkin-Lehner involutions |
Class |
81995a |
Isogeny class |
Conductor |
81995 |
Conductor |
∏ cp |
20 |
Product of Tamagawa factors cp |
Δ |
-21190709098001195 = -1 · 5 · 236 · 315 |
Discriminant |
Eigenvalues |
-2 -1 5+ 2 -2 -6 7 5 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,-1,1,-444536,114442836] |
[a1,a2,a3,a4,a6] |
Generators |
[606:8199:1] |
Generators of the group modulo torsion |
j |
-65626385453056/143145755 |
j-invariant |
L |
2.0423073688152 |
L(r)(E,1)/r! |
Ω |
0.38359413477338 |
Real period |
R |
0.26620680374619 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
0.99999999889294 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
155a2 |
Quadratic twists by: -23 |