Cremona's table of elliptic curves

Curve 81840bs1

81840 = 24 · 3 · 5 · 11 · 31



Data for elliptic curve 81840bs1

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 11- 31+ Signs for the Atkin-Lehner involutions
Class 81840bs Isogeny class
Conductor 81840 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 1824768 Modular degree for the optimal curve
Δ 2.5368115413453E+19 Discriminant
Eigenvalues 2- 3+ 5+ -2 11-  2  0  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-776656,-103091264] [a1,a2,a3,a4,a6]
Generators [158867665560:983683956736:165469149] Generators of the group modulo torsion
j 12648832119017360209/6193387552112640 j-invariant
L 4.8365375243692 L(r)(E,1)/r!
Ω 0.1690089545173 Real period
R 14.308524467132 Regulator
r 1 Rank of the group of rational points
S 1.0000000005415 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 10230bb1 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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