Cremona's table of elliptic curves

Curve 81225be2

81225 = 32 · 52 · 192



Data for elliptic curve 81225be2

Field Data Notes
Atkin-Lehner 3- 5+ 19- Signs for the Atkin-Lehner involutions
Class 81225be Isogeny class
Conductor 81225 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -8992978171875 = -1 · 313 · 56 · 192 Discriminant
Eigenvalues -1 3- 5+ -1  2  5 -4 19- Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-149180,-22140678] [a1,a2,a3,a4,a6]
Generators [4004:250110:1] Generators of the group modulo torsion
j -89289015625/2187 j-invariant
L 3.613324462708 L(r)(E,1)/r!
Ω 0.12146229912931 Real period
R 3.7185658518103 Regulator
r 1 Rank of the group of rational points
S 1.0000000000307 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 27075d2 3249d2 81225r2 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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