Cremona's table of elliptic curves

Curve 128340i1

128340 = 22 · 32 · 5 · 23 · 31



Data for elliptic curve 128340i1

Field Data Notes
Atkin-Lehner 2- 3- 5+ 23- 31- Signs for the Atkin-Lehner involutions
Class 128340i Isogeny class
Conductor 128340 Conductor
∏ cp 48 Product of Tamagawa factors cp
deg 645120 Modular degree for the optimal curve
Δ 255714690690000 = 24 · 37 · 54 · 233 · 312 Discriminant
Eigenvalues 2- 3- 5+  2  4  2 -6  6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-111828,14373173] [a1,a2,a3,a4,a6]
Generators [211:414:1] Generators of the group modulo torsion
j 13259522191507456/21923413125 j-invariant
L 7.9820153052029 L(r)(E,1)/r!
Ω 0.55315929223013 Real period
R 1.2024889706827 Regulator
r 1 Rank of the group of rational points
S 0.9999999912246 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42780d1 Quadratic twists by: -3


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