Cremona's table of elliptic curves

Curve 2856a2

2856 = 23 · 3 · 7 · 17



Data for elliptic curve 2856a2

Field Data Notes
Atkin-Lehner 2+ 3- 7+ 17+ Signs for the Atkin-Lehner involutions
Class 2856a Isogeny class
Conductor 2856 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 15892404060653568 = 211 · 38 · 72 · 176 Discriminant
Eigenvalues 2+ 3-  2 7+  6  4 17+  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-268472,53108208] [a1,a2,a3,a4,a6]
j 1044942448578893426/7759962920241 j-invariant
L 3.1538651784842 L(r)(E,1)/r!
Ω 0.39423314731052 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 5712d2 22848c2 8568j2 71400cz2 Quadratic twists by: -4 8 -3 5


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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