Atkin-Lehner |
2- 3- 17+ |
Signs for the Atkin-Lehner involutions |
Class |
20808be |
Isogeny class |
Conductor |
20808 |
Conductor |
∏ cp |
16 |
Product of Tamagawa factors cp |
Δ |
-843594754321631232 = -1 · 211 · 310 · 178 |
Discriminant |
Eigenvalues |
2- 3- 0 -2 0 2 17+ 4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,-21675,44207174] |
[a1,a2,a3,a4,a6] |
Generators |
[113764:4798845:64] |
Generators of the group modulo torsion |
j |
-31250/23409 |
j-invariant |
L |
4.8682052684818 |
L(r)(E,1)/r! |
Ω |
0.22769447092155 |
Real period |
R |
5.3451070295853 |
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 |
41616r2 6936c2 1224h2 |
Quadratic twists by: -4 -3 17 |