Cremona's table of elliptic curves

Curve 81225z7

81225 = 32 · 52 · 192



Data for elliptic curve 81225z7

Field Data Notes
Atkin-Lehner 3- 5+ 19- Signs for the Atkin-Lehner involutions
Class 81225z Isogeny class
Conductor 81225 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -1.1533981218898E+23 Discriminant
Eigenvalues  1 3- 5+  0  4 -2  2 19- Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-8936442,-19303680659] [a1,a2,a3,a4,a6]
Generators [992862817871689501714168247195656:302527380839459145111379748014918597:10647650710699347576606032384] Generators of the group modulo torsion
j -147281603041/215233605 j-invariant
L 7.8624928353941 L(r)(E,1)/r!
Ω 0.041482282015584 Real period
R 47.384645058042 Regulator
r 1 Rank of the group of rational points
S 0.99999999966547 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 27075g7 16245d8 225c8 Quadratic twists by: -3 5 -19


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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