Cremona's table of elliptic curves

Curve 81200bi1

81200 = 24 · 52 · 7 · 29



Data for elliptic curve 81200bi1

Field Data Notes
Atkin-Lehner 2- 5+ 7+ 29- Signs for the Atkin-Lehner involutions
Class 81200bi Isogeny class
Conductor 81200 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 9216 Modular degree for the optimal curve
Δ -1299200 = -1 · 28 · 52 · 7 · 29 Discriminant
Eigenvalues 2- -1 5+ 7+ -2 -4 -7  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,27,-23] [a1,a2,a3,a4,a6]
Generators [1:2:1] Generators of the group modulo torsion
j 327680/203 j-invariant
L 3.0700092728244 L(r)(E,1)/r!
Ω 1.5683007548901 Real period
R 0.97876930239693 Regulator
r 1 Rank of the group of rational points
S 1.0000000003908 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 20300l1 81200ck1 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