Cremona's table of elliptic curves

Curve 78400gv1

78400 = 26 · 52 · 72



Data for elliptic curve 78400gv1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400gv Isogeny class
Conductor 78400 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 677376 Modular degree for the optimal curve
Δ 236957413356339200 = 225 · 52 · 710 Discriminant
Eigenvalues 2-  0 5+ 7- -2  0 -7  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-336140,-71261680] [a1,a2,a3,a4,a6]
Generators [-6637636:6104776:24389] Generators of the group modulo torsion
j 2268945/128 j-invariant
L 4.7225604676803 L(r)(E,1)/r!
Ω 0.1989734018413 Real period
R 11.867315984776 Regulator
r 1 Rank of the group of rational points
S 1.0000000006876 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400s1 19600ca1 78400kb1 78400fw1 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
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