Cremona's table of elliptic curves

Curve 128986i1

128986 = 2 · 112 · 13 · 41



Data for elliptic curve 128986i1

Field Data Notes
Atkin-Lehner 2+ 11- 13+ 41- Signs for the Atkin-Lehner involutions
Class 128986i Isogeny class
Conductor 128986 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 23808 Modular degree for the optimal curve
Δ 10576852 = 22 · 112 · 13 · 412 Discriminant
Eigenvalues 2+  1 -2  0 11- 13+  3  0 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-157,724] [a1,a2,a3,a4,a6]
Generators [2:19:1] Generators of the group modulo torsion
j 3504731857/87412 j-invariant
L 4.1785938023189 L(r)(E,1)/r!
Ω 2.276293368976 Real period
R 0.45892521988797 Regulator
r 1 Rank of the group of rational points
S 1.0000000150222 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128986y1 Quadratic twists by: -11


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