Cremona's table of elliptic curves

Curve 78400v2

78400 = 26 · 52 · 72



Data for elliptic curve 78400v2

Field Data Notes
Atkin-Lehner 2+ 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400v Isogeny class
Conductor 78400 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 1404928000000 = 218 · 56 · 73 Discriminant
Eigenvalues 2+  0 5+ 7- -4  0  0  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-59500,-5586000] [a1,a2,a3,a4,a6]
Generators [310:2400:1] [344:3828:1] Generators of the group modulo torsion
j 16581375 j-invariant
L 10.153438254598 L(r)(E,1)/r!
Ω 0.3056834208407 Real period
R 8.3038836606011 Regulator
r 2 Rank of the group of rational points
S 1.0000000000054 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 78400gw2 1225b2 3136d2 78400v4 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