Cremona's table of elliptic curves

Curve 27816b2

27816 = 23 · 3 · 19 · 61



Data for elliptic curve 27816b2

Field Data Notes
Atkin-Lehner 2+ 3+ 19+ 61- Signs for the Atkin-Lehner involutions
Class 27816b Isogeny class
Conductor 27816 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 18315834624 = 28 · 32 · 194 · 61 Discriminant
Eigenvalues 2+ 3+ -2 -4  6  2 -4 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-42397764,-106244090316] [a1,a2,a3,a4,a6]
j 32924001769678321147596112/71546229 j-invariant
L 0.11832971301168 L(r)(E,1)/r!
Ω 0.059164856506222 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 55632j2 83448l2 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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