Cremona's table of elliptic curves

Curve 81608a1

81608 = 23 · 1012



Data for elliptic curve 81608a1

Field Data Notes
Atkin-Lehner 2+ 101+ Signs for the Atkin-Lehner involutions
Class 81608a Isogeny class
Conductor 81608 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 571200 Modular degree for the optimal curve
Δ -219573320111515648 = -1 · 211 · 1017 Discriminant
Eigenvalues 2+  0 -2  1  0  4  5  5 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-112211,-26787826] [a1,a2,a3,a4,a6]
Generators [14527609922:86906491209:33386248] Generators of the group modulo torsion
j -71874/101 j-invariant
L 6.0913496884236 L(r)(E,1)/r!
Ω 0.12408119874182 Real period
R 12.272910291008 Regulator
r 1 Rank of the group of rational points
S 1.0000000007531 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 808a1 Quadratic twists by: 101


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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