Cremona's table of elliptic curves

Curve 81396f1

81396 = 22 · 32 · 7 · 17 · 19



Data for elliptic curve 81396f1

Field Data Notes
Atkin-Lehner 2- 3- 7+ 17- 19+ Signs for the Atkin-Lehner involutions
Class 81396f Isogeny class
Conductor 81396 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 3379200 Modular degree for the optimal curve
Δ 4.3611426416142E+19 Discriminant
Eigenvalues 2- 3-  1 7+ -6  1 17- 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,-9496632,-11259774412] [a1,a2,a3,a4,a6]
j 507533888740372946944/233686055470581 j-invariant
L 0.17200823726477 L(r)(E,1)/r!
Ω 0.086004099652404 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 27132a1 Quadratic twists by: -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations