Atkin-Lehner |
2- 3- 5- 7- 13- |
Signs for the Atkin-Lehner involutions |
Class |
21840ck |
Isogeny class |
Conductor |
21840 |
Conductor |
∏ cp |
256 |
Product of Tamagawa factors cp |
Δ |
-100699580762726400 = -1 · 213 · 38 · 52 · 78 · 13 |
Discriminant |
Eigenvalues |
2- 3- 5- 7- 4 13- 2 -4 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,-9360,15268500] |
[a1,a2,a3,a4,a6] |
j |
-22143063655441/24584858584650 |
j-invariant |
L |
4.3397628832922 |
L(r)(E,1)/r! |
Ω |
0.27123518020576 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
4 |
Number of elements in the torsion subgroup |
Twists |
2730w6 87360eq5 65520dg5 109200cy5 |
Quadratic twists by: -4 8 -3 5 |