Atkin-Lehner |
3- 11- 19- |
Signs for the Atkin-Lehner involutions |
Class |
20691p |
Isogeny class |
Conductor |
20691 |
Conductor |
∏ cp |
16 |
Product of Tamagawa factors cp |
deg |
26880 |
Modular degree for the optimal curve |
Δ |
-809750416563 = -1 · 37 · 117 · 19 |
Discriminant |
Eigenvalues |
0 3- -4 -2 11- -1 -3 19- |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,1,-1452,-48249] |
[a1,a2,a3,a4,a6] |
Generators |
[77:544:1] [143:1633:1] |
Generators of the group modulo torsion |
j |
-262144/627 |
j-invariant |
L |
4.8252153362704 |
L(r)(E,1)/r! |
Ω |
0.36083856181621 |
Real period |
R |
0.83576421821155 |
Regulator |
r |
2 |
Rank of the group of rational points |
S |
0.99999999999998 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
6897e1 1881c1 |
Quadratic twists by: -3 -11 |