Cremona's table of elliptic curves

Curve 78400cf1

78400 = 26 · 52 · 72



Data for elliptic curve 78400cf1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400cf Isogeny class
Conductor 78400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 64512 Modular degree for the optimal curve
Δ -125440000000 = -1 · 215 · 57 · 72 Discriminant
Eigenvalues 2+  2 5+ 7-  3  1 -2  1 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-1633,31137] [a1,a2,a3,a4,a6]
j -19208/5 j-invariant
L 3.9720547430653 L(r)(E,1)/r!
Ω 0.99301369075813 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400cu1 39200p1 15680bw1 78400l1 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