Atkin-Lehner |
2- 17+ 19+ |
Signs for the Atkin-Lehner involutions |
Class |
20672v |
Isogeny class |
Conductor |
20672 |
Conductor |
∏ cp |
1 |
Product of Tamagawa factors cp |
deg |
25344 |
Modular degree for the optimal curve |
Δ |
-1529397248 = -1 · 214 · 173 · 19 |
Discriminant |
Eigenvalues |
2- -1 -2 0 2 -2 17+ 19+ |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,-1,0,-64149,-6232307] |
[a1,a2,a3,a4,a6] |
j |
-1781887227854848/93347 |
j-invariant |
L |
0.14999318280566 |
L(r)(E,1)/r! |
Ω |
0.14999318280567 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
20672i1 5168f1 |
Quadratic twists by: -4 8 |