Cremona's table of elliptic curves

Curve 81472d1

81472 = 26 · 19 · 67



Data for elliptic curve 81472d1

Field Data Notes
Atkin-Lehner 2- 19- 67- Signs for the Atkin-Lehner involutions
Class 81472d Isogeny class
Conductor 81472 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 12864 Modular degree for the optimal curve
Δ -24767488 = -1 · 210 · 192 · 67 Discriminant
Eigenvalues 2-  0 -2 -2  6  0  2 19- Hecke eigenvalues for primes up to 20
Equation [0,0,0,64,-136] [a1,a2,a3,a4,a6]
j 28311552/24187 j-invariant
L 1.172259005837 L(r)(E,1)/r!
Ω 1.1722590033589 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 81472a1 20368b1 Quadratic twists by: -4 8


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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