Cremona's table of elliptic curves

Curve 21462be1

21462 = 2 · 3 · 72 · 73



Data for elliptic curve 21462be1

Field Data Notes
Atkin-Lehner 2- 3- 7- 73- Signs for the Atkin-Lehner involutions
Class 21462be Isogeny class
Conductor 21462 Conductor
∏ cp 840 Product of Tamagawa factors cp
deg 2016000 Modular degree for the optimal curve
Δ -1.7226448899595E+21 Discriminant
Eigenvalues 2- 3- -4 7- -4 -3 -2  1 Hecke eigenvalues for primes up to 20
Equation [1,0,0,-1067760,-2041645824] [a1,a2,a3,a4,a6]
Generators [16440:2095056:1] Generators of the group modulo torsion
j -1144343586227588209/14642239967695872 j-invariant
L 6.5561592389161 L(r)(E,1)/r!
Ω 0.063711198776329 Real period
R 0.12250517373407 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 64386v1 3066g1 Quadratic twists by: -3 -7


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