Cremona's table of elliptic curves

Curve 78213f1

78213 = 3 · 292 · 31



Data for elliptic curve 78213f1

Field Data Notes
Atkin-Lehner 3+ 29- 31- Signs for the Atkin-Lehner involutions
Class 78213f Isogeny class
Conductor 78213 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 20608 Modular degree for the optimal curve
Δ 6804531 = 32 · 293 · 31 Discriminant
Eigenvalues -1 3+  3  0 -4  4 -3  7 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-119,434] [a1,a2,a3,a4,a6]
Generators [2:13:1] Generators of the group modulo torsion
j 7645373/279 j-invariant
L 4.336414290099 L(r)(E,1)/r!
Ω 2.3495633825679 Real period
R 0.46140639582222 Regulator
r 1 Rank of the group of rational points
S 1.0000000003858 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78213h1 Quadratic twists by: 29


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