Cremona's table of elliptic curves

Curve 2856f2

2856 = 23 · 3 · 7 · 17



Data for elliptic curve 2856f2

Field Data Notes
Atkin-Lehner 2- 3+ 7- 17+ Signs for the Atkin-Lehner involutions
Class 2856f Isogeny class
Conductor 2856 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 130507776 = 210 · 32 · 72 · 172 Discriminant
Eigenvalues 2- 3+  2 7- -4  2 17+ -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-152,-420] [a1,a2,a3,a4,a6]
Generators [22:80:1] Generators of the group modulo torsion
j 381775972/127449 j-invariant
L 3.2109929270268 L(r)(E,1)/r!
Ω 1.3954314667294 Real period
R 2.3010753330314 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 5712j2 22848bi2 8568g2 71400bm2 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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