Atkin-Lehner |
2- 5+ 7+ 19- |
Signs for the Atkin-Lehner involutions |
Class |
21280r |
Isogeny class |
Conductor |
21280 |
Conductor |
∏ cp |
4 |
Product of Tamagawa factors cp |
Δ |
51752960 = 212 · 5 · 7 · 192 |
Discriminant |
Eigenvalues |
2- -2 5+ 7+ 0 6 -2 19- |
Hecke eigenvalues for primes up to 20 |
Equation |
[0,1,0,-161,655] |
[a1,a2,a3,a4,a6] |
Generators |
[-14:19:1] |
Generators of the group modulo torsion |
j |
113379904/12635 |
j-invariant |
L |
3.0611740862964 |
L(r)(E,1)/r! |
Ω |
1.9353897510819 |
Real period |
R |
1.5816835263208 |
Regulator |
r |
1 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
21280t2 42560cz1 106400r2 |
Quadratic twists by: -4 8 5 |