Cremona's table of elliptic curves

Curve 78400ir1

78400 = 26 · 52 · 72



Data for elliptic curve 78400ir1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400ir Isogeny class
Conductor 78400 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 12288 Modular degree for the optimal curve
Δ -8780800 = -1 · 210 · 52 · 73 Discriminant
Eigenvalues 2- -2 5+ 7- -3 -2 -4  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,47,-57] [a1,a2,a3,a4,a6]
Generators [2:7:1] Generators of the group modulo torsion
j 1280 j-invariant
L 2.8092720263012 L(r)(E,1)/r!
Ω 1.2900308921349 Real period
R 1.0888390519192 Regulator
r 1 Rank of the group of rational points
S 0.99999999972376 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400cg1 19600t1 78400kt1 78400ie1 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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