Cremona's table of elliptic curves

Curve 78400fa1

78400 = 26 · 52 · 72



Data for elliptic curve 78400fa1

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 78400fa Isogeny class
Conductor 78400 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 345600 Modular degree for the optimal curve
Δ -1505907200000000 = -1 · 215 · 58 · 76 Discriminant
Eigenvalues 2+ -1 5- 7-  5  0 -5 -5 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-40833,-3670463] [a1,a2,a3,a4,a6]
Generators [1167:39200:1] Generators of the group modulo torsion
j -5000 j-invariant
L 4.7344806033431 L(r)(E,1)/r!
Ω 0.16613506465012 Real period
R 2.3748150386556 Regulator
r 1 Rank of the group of rational points
S 1.000000000759 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400er1 39200cu1 78400bh1 1600i1 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