Atkin-Lehner |
2+ 23- |
Signs for the Atkin-Lehner involutions |
Class |
16928b |
Isogeny class |
Conductor |
16928 |
Conductor |
∏ cp |
4 |
Product of Tamagawa factors cp |
deg |
2688 |
Modular degree for the optimal curve |
Δ |
-778688 = -1 · 26 · 233 |
Discriminant |
Eigenvalues |
2+ 0 -4 0 0 6 8 0 |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,0,0,23,0] |
[a1,a2,a3,a4,a6] |
j |
1728 |
j-invariant |
L |
1.6932662769795 |
L(r)(E,1)/r! |
Ω |
1.6932662769795 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
16928b1 33856bb2 16928a1 |
Quadratic twists by: -4 8 -23 |