Cremona's table of elliptic curves

Curve 81928m2

81928 = 23 · 72 · 11 · 19



Data for elliptic curve 81928m2

Field Data Notes
Atkin-Lehner 2- 7- 11+ 19+ Signs for the Atkin-Lehner involutions
Class 81928m Isogeny class
Conductor 81928 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ 64463941755136 = 28 · 78 · 112 · 192 Discriminant
Eigenvalues 2-  0  2 7- 11+ -6 -2 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,-95599,11370450] [a1,a2,a3,a4,a6]
Generators [193:330:1] Generators of the group modulo torsion
j 3208156567632/2140369 j-invariant
L 5.8223484872805 L(r)(E,1)/r!
Ω 0.61449048046131 Real period
R 2.3687708230997 Regulator
r 1 Rank of the group of rational points
S 1.0000000004334 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 11704e2 Quadratic twists by: -7


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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