Cremona's table of elliptic curves

Curve 81765d1

81765 = 32 · 5 · 23 · 79



Data for elliptic curve 81765d1

Field Data Notes
Atkin-Lehner 3+ 5- 23- 79+ Signs for the Atkin-Lehner involutions
Class 81765d Isogeny class
Conductor 81765 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 111168 Modular degree for the optimal curve
Δ 94595809095 = 39 · 5 · 233 · 79 Discriminant
Eigenvalues -1 3+ 5-  5 -2 -6 -3 -7 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-1217,-6614] [a1,a2,a3,a4,a6]
Generators [79:-661:1] Generators of the group modulo torsion
j 10119744747/4805965 j-invariant
L 4.2136363204255 L(r)(E,1)/r!
Ω 0.84697124896166 Real period
R 0.82915768402098 Regulator
r 1 Rank of the group of rational points
S 1.0000000012097 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 81765b1 Quadratic twists by: -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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