Cremona's table of elliptic curves

Curve 78400ja1

78400 = 26 · 52 · 72



Data for elliptic curve 78400ja1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400ja Isogeny class
Conductor 78400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 2211840 Modular degree for the optimal curve
Δ -2530978231040000000 = -1 · 214 · 57 · 711 Discriminant
Eigenvalues 2-  3 5+ 7- -5  3 -1 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,156800,72716000] [a1,a2,a3,a4,a6]
Generators [449715:58056425:27] Generators of the group modulo torsion
j 14155776/84035 j-invariant
L 11.864313624254 L(r)(E,1)/r!
Ω 0.18591920047956 Real period
R 7.9767942146599 Regulator
r 1 Rank of the group of rational points
S 1.0000000001701 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400dl1 19600dc1 15680cx1 11200cg1 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