Cremona's table of elliptic curves

Curve 21024k2

21024 = 25 · 32 · 73



Data for elliptic curve 21024k2

Field Data Notes
Atkin-Lehner 2- 3- 73+ Signs for the Atkin-Lehner involutions
Class 21024k Isogeny class
Conductor 21024 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 429632335872 = 212 · 39 · 732 Discriminant
Eigenvalues 2- 3- -4  2  0  6  4 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2172,-22880] [a1,a2,a3,a4,a6]
Generators [-34:108:1] Generators of the group modulo torsion
j 379503424/143883 j-invariant
L 4.4244668771189 L(r)(E,1)/r!
Ω 0.72196147913083 Real period
R 0.76604967941736 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 21024d2 42048m1 7008e2 Quadratic twists by: -4 8 -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
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