Cremona's table of elliptic curves

Curve 21150ca1

21150 = 2 · 32 · 52 · 47



Data for elliptic curve 21150ca1

Field Data Notes
Atkin-Lehner 2- 3- 5+ 47+ Signs for the Atkin-Lehner involutions
Class 21150ca Isogeny class
Conductor 21150 Conductor
∏ cp 64 Product of Tamagawa factors cp
deg 36864 Modular degree for the optimal curve
Δ 128486250000 = 24 · 37 · 57 · 47 Discriminant
Eigenvalues 2- 3- 5+ -4  4 -2  2  8 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-3605,82397] [a1,a2,a3,a4,a6]
Generators [-41:420:1] Generators of the group modulo torsion
j 454756609/11280 j-invariant
L 7.2655825497137 L(r)(E,1)/r!
Ω 1.0396339962376 Real period
R 1.7471491351783 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 7050k1 4230n1 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
Back to Tables and computations