Cremona's table of elliptic curves

Curve 81225bi1

81225 = 32 · 52 · 192



Data for elliptic curve 81225bi1

Field Data Notes
Atkin-Lehner 3- 5+ 19- Signs for the Atkin-Lehner involutions
Class 81225bi Isogeny class
Conductor 81225 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 4838400 Modular degree for the optimal curve
Δ -6.0122261497684E+20 Discriminant
Eigenvalues  2 3- 5+ -3  3 -6  3 19- Hecke eigenvalues for primes up to 20
Equation [0,0,1,1597425,-887597469] [a1,a2,a3,a4,a6]
Generators [59054040106:22544629818341:405224] Generators of the group modulo torsion
j 841232384/1121931 j-invariant
L 10.924760803959 L(r)(E,1)/r!
Ω 0.086854574603178 Real period
R 15.722776914562 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 27075u1 3249f1 4275i1 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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