Cremona's table of elliptic curves

Curve 81900v1

81900 = 22 · 32 · 52 · 7 · 13



Data for elliptic curve 81900v1

Field Data Notes
Atkin-Lehner 2- 3- 5+ 7- 13+ Signs for the Atkin-Lehner involutions
Class 81900v Isogeny class
Conductor 81900 Conductor
∏ cp 18 Product of Tamagawa factors cp
deg 1612800 Modular degree for the optimal curve
Δ -3.0080387049804E+19 Discriminant
Eigenvalues 2- 3- 5+ 7- -2 13+ -4  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-445800,-287673500] [a1,a2,a3,a4,a6]
j -3360132358144/10315633419 j-invariant
L 1.5355698310081 L(r)(E,1)/r!
Ω 0.085309437683563 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 27300r1 3276g1 Quadratic twists by: -3 5


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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