Cremona's table of elliptic curves

Curve 81472a1

81472 = 26 · 19 · 67



Data for elliptic curve 81472a1

Field Data Notes
Atkin-Lehner 2+ 19+ 67+ Signs for the Atkin-Lehner involutions
Class 81472a 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]
Generators [34:204:1] Generators of the group modulo torsion
j 28311552/24187 j-invariant
L 4.0833340297895 L(r)(E,1)/r!
Ω 1.3792096258915 Real period
R 2.9606333616823 Regulator
r 1 Rank of the group of rational points
S 0.99999999966244 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 81472d1 5092a1 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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