Cremona's table of elliptic curves

Curve 81840q1

81840 = 24 · 3 · 5 · 11 · 31



Data for elliptic curve 81840q1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 11+ 31- Signs for the Atkin-Lehner involutions
Class 81840q Isogeny class
Conductor 81840 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 49152 Modular degree for the optimal curve
Δ -4604727600 = -1 · 24 · 32 · 52 · 113 · 312 Discriminant
Eigenvalues 2+ 3- 5+ -2 11+ -6 -4 -4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,289,2760] [a1,a2,a3,a4,a6]
Generators [12:90:1] Generators of the group modulo torsion
j 166262245376/287795475 j-invariant
L 4.8230283098898 L(r)(E,1)/r!
Ω 0.94212155090523 Real period
R 2.5596635058782 Regulator
r 1 Rank of the group of rational points
S 1.0000000012405 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 40920w1 Quadratic twists by: -4


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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