Cremona's table of elliptic curves

Curve 127400r2

127400 = 23 · 52 · 72 · 13



Data for elliptic curve 127400r2

Field Data Notes
Atkin-Lehner 2+ 5- 7- 13+ Signs for the Atkin-Lehner involutions
Class 127400r Isogeny class
Conductor 127400 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 37471206500000000 = 28 · 59 · 78 · 13 Discriminant
Eigenvalues 2+  0 5- 7- -4 13+  2 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-410375,100756250] [a1,a2,a3,a4,a6]
Generators [791:16464:1] Generators of the group modulo torsion
j 129929616/637 j-invariant
L 4.3329881005329 L(r)(E,1)/r!
Ω 0.36702660708357 Real period
R 2.9514127467561 Regulator
r 1 Rank of the group of rational points
S 1.0000000171596 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 127400cf2 18200k2 Quadratic twists by: 5 -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