Cremona's table of elliptic curves

Curve 27816i2

27816 = 23 · 3 · 19 · 61



Data for elliptic curve 27816i2

Field Data Notes
Atkin-Lehner 2- 3+ 19+ 61- Signs for the Atkin-Lehner involutions
Class 27816i Isogeny class
Conductor 27816 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -215707157194752 = -1 · 211 · 314 · 192 · 61 Discriminant
Eigenvalues 2- 3+  0  0  6 -4  0 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-11248,-838964] [a1,a2,a3,a4,a6]
Generators [18419335533850:-141004352753811:114084125000] Generators of the group modulo torsion
j -76852551937250/105325760349 j-invariant
L 4.9480743022339 L(r)(E,1)/r!
Ω 0.22069701860917 Real period
R 22.420213618728 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 55632g2 83448d2 Quadratic twists by: -4 -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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