Cremona's table of elliptic curves

Curve 128800a2

128800 = 25 · 52 · 7 · 23



Data for elliptic curve 128800a2

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 23+ Signs for the Atkin-Lehner involutions
Class 128800a Isogeny class
Conductor 128800 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 5184200000000 = 29 · 58 · 72 · 232 Discriminant
Eigenvalues 2+  2 5+ 7+ -2  0  2  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-8008,-250488] [a1,a2,a3,a4,a6]
Generators [3002580:56269983:8000] Generators of the group modulo torsion
j 7100029448/648025 j-invariant
L 9.6498015052186 L(r)(E,1)/r!
Ω 0.50762505338647 Real period
R 9.5048513701352 Regulator
r 1 Rank of the group of rational points
S 1.0000000141793 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 128800n2 25760n2 Quadratic twists by: -4 5


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