Cremona's table of elliptic curves

Curve 20825z1

20825 = 52 · 72 · 17



Data for elliptic curve 20825z1

Field Data Notes
Atkin-Lehner 5- 7+ 17- Signs for the Atkin-Lehner involutions
Class 20825z Isogeny class
Conductor 20825 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 12096 Modular degree for the optimal curve
Δ 12250202125 = 53 · 78 · 17 Discriminant
Eigenvalues  0  1 5- 7+  4  6 17- -4 Hecke eigenvalues for primes up to 20
Equation [0,1,1,-1143,-14276] [a1,a2,a3,a4,a6]
Generators [-166:241:8] Generators of the group modulo torsion
j 229376/17 j-invariant
L 5.3492171055966 L(r)(E,1)/r!
Ω 0.82486933872046 Real period
R 1.080821097859 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 20825w1 20825ba1 Quadratic twists by: 5 -7


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations