Cremona's table of elliptic curves

Curve 28440i1

28440 = 23 · 32 · 5 · 79



Data for elliptic curve 28440i1

Field Data Notes
Atkin-Lehner 2- 3+ 5- 79- Signs for the Atkin-Lehner involutions
Class 28440i Isogeny class
Conductor 28440 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 5376 Modular degree for the optimal curve
Δ 10920960 = 210 · 33 · 5 · 79 Discriminant
Eigenvalues 2- 3+ 5-  0  0 -4  4  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-387,2926] [a1,a2,a3,a4,a6]
j 231842412/395 j-invariant
L 2.2755201924495 L(r)(E,1)/r!
Ω 2.2755201924487 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 56880d1 28440b1 Quadratic twists by: -4 -3


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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