Cremona's table of elliptic curves

Curve 128340b1

128340 = 22 · 32 · 5 · 23 · 31



Data for elliptic curve 128340b1

Field Data Notes
Atkin-Lehner 2- 3+ 5- 23- 31- Signs for the Atkin-Lehner involutions
Class 128340b Isogeny class
Conductor 128340 Conductor
∏ cp 96 Product of Tamagawa factors cp
deg 663552 Modular degree for the optimal curve
Δ 4180862683890000 = 24 · 39 · 54 · 23 · 314 Discriminant
Eigenvalues 2- 3+ 5- -2 -4 -2 -2 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-216432,38630169] [a1,a2,a3,a4,a6]
Generators [300:837:1] Generators of the group modulo torsion
j 3560220159639552/13275614375 j-invariant
L 5.0977253910277 L(r)(E,1)/r!
Ω 0.44033112958978 Real period
R 0.48237612531356 Regulator
r 1 Rank of the group of rational points
S 1.0000000022584 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 128340a1 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