Atkin-Lehner |
2+ 3+ 7+ 17+ |
Signs for the Atkin-Lehner involutions |
Class |
2142a |
Isogeny class |
Conductor |
2142 |
Conductor |
∏ cp |
2 |
Product of Tamagawa factors cp |
deg |
1056 |
Modular degree for the optimal curve |
Δ |
-4796983296 = -1 · 211 · 39 · 7 · 17 |
Discriminant |
Eigenvalues |
2+ 3+ 1 7+ 1 -3 17+ -2 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,0,-474,-5068] |
[a1,a2,a3,a4,a6] |
Generators |
[43:208:1] |
Generators of the group modulo torsion |
j |
-599077107/243712 |
j-invariant |
L |
2.3858703787826 |
L(r)(E,1)/r! |
Ω |
0.50150981947252 |
Real period |
R |
2.3786876010643 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
1 |
Number of elements in the torsion subgroup |
Twists |
17136s1 68544c1 2142l1 53550cu1 |
Quadratic twists by: -4 8 -3 5 |