Cremona's table of elliptic curves

Curve 78400gr1

78400 = 26 · 52 · 72



Data for elliptic curve 78400gr1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400gr Isogeny class
Conductor 78400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 143360 Modular degree for the optimal curve
Δ 40353607000000 = 26 · 56 · 79 Discriminant
Eigenvalues 2-  0 5+ 7-  0  4  8  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-8575,0] [a1,a2,a3,a4,a6]
Generators [2015024:78255948:1331] Generators of the group modulo torsion
j 1728 j-invariant
L 6.6188479144703 L(r)(E,1)/r!
Ω 0.54495881726956 Real period
R 12.145592851112 Regulator
r 1 Rank of the group of rational points
S 0.99999999989282 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 78400gr1 39200bp2 3136u1 78400gs1 Quadratic twists by: -4 8 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