Cremona's table of elliptic curves

Curve 128478cb1

128478 = 2 · 3 · 72 · 19 · 23



Data for elliptic curve 128478cb1

Field Data Notes
Atkin-Lehner 2- 3+ 7- 19- 23+ Signs for the Atkin-Lehner involutions
Class 128478cb Isogeny class
Conductor 128478 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 479232 Modular degree for the optimal curve
Δ -41513313893184 = -1 · 26 · 313 · 72 · 192 · 23 Discriminant
Eigenvalues 2- 3+ -1 7- -6  1 -3 19- Hecke eigenvalues for primes up to 20
Equation [1,1,1,-19286,-1084525] [a1,a2,a3,a4,a6]
j -16190323510432561/847210487616 j-invariant
L 2.4233693715284 L(r)(E,1)/r!
Ω 0.20194745851535 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128478cf1 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