Cremona's table of elliptic curves

Curve 128478bg1

128478 = 2 · 3 · 72 · 19 · 23



Data for elliptic curve 128478bg1

Field Data Notes
Atkin-Lehner 2+ 3- 7+ 19- 23- Signs for the Atkin-Lehner involutions
Class 128478bg Isogeny class
Conductor 128478 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 311808 Modular degree for the optimal curve
Δ -362767397328 = -1 · 24 · 32 · 78 · 19 · 23 Discriminant
Eigenvalues 2+ 3- -4 7+  3 -2 -4 19- Hecke eigenvalues for primes up to 20
Equation [1,0,1,-2623,59042] [a1,a2,a3,a4,a6]
Generators [-50:281:1] [-45:316:1] Generators of the group modulo torsion
j -346016041/62928 j-invariant
L 8.8487482376177 L(r)(E,1)/r!
Ω 0.91830865142586 Real period
R 0.80299329138046 Regulator
r 2 Rank of the group of rational points
S 0.99999999994106 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128478r1 Quadratic twists by: -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