Cremona's table of elliptic curves

Curve 78400kc1

78400 = 26 · 52 · 72



Data for elliptic curve 78400kc1

Field Data Notes
Atkin-Lehner 2- 5- 7- Signs for the Atkin-Lehner involutions
Class 78400kc Isogeny class
Conductor 78400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 27648 Modular degree for the optimal curve
Δ -3211264000 = -1 · 219 · 53 · 72 Discriminant
Eigenvalues 2-  0 5- 7-  3  5 -2  5 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-140,-2800] [a1,a2,a3,a4,a6]
j -189/2 j-invariant
L 2.407878318533 L(r)(E,1)/r!
Ω 0.60196958001683 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 78400ed1 19600dp1 78400kd1 78400jj1 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