Cremona's table of elliptic curves

Curve 128576r2

128576 = 26 · 72 · 41



Data for elliptic curve 128576r2

Field Data Notes
Atkin-Lehner 2+ 7- 41+ Signs for the Atkin-Lehner involutions
Class 128576r Isogeny class
Conductor 128576 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 5.0023662008477E+19 Discriminant
Eigenvalues 2+ -1  1 7- -2  4 -3  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-49501825,134070116993] [a1,a2,a3,a4,a6]
j 434969885624052241/1621986814 j-invariant
L 1.4064230534093 L(r)(E,1)/r!
Ω 0.17580282796774 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 128576cg2 4018n2 18368n2 Quadratic twists by: -4 8 -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