Properties

Label 448.87
Modulus $448$
Conductor $224$
Order $24$
Real no
Primitive no
Minimal no
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(448, base_ring=CyclotomicField(24))
 
M = H._module
 
chi = DirichletCharacter(H, M([12,21,4]))
 
pari: [g,chi] = znchar(Mod(87,448))
 

Basic properties

Modulus: \(448\)
Conductor: \(224\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(24\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{224}(115,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 448.bi

\(\chi_{448}(87,\cdot)\) \(\chi_{448}(103,\cdot)\) \(\chi_{448}(199,\cdot)\) \(\chi_{448}(215,\cdot)\) \(\chi_{448}(311,\cdot)\) \(\chi_{448}(327,\cdot)\) \(\chi_{448}(423,\cdot)\) \(\chi_{448}(439,\cdot)\)

sage: chi.galois_orbit()
 
order = charorder(g,chi)
 
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\zeta_{24})\)
Fixed field: 24.24.790224330201082600125157415256880139617697792.1

Values on generators

\((127,197,129)\) → \((-1,e\left(\frac{7}{8}\right),e\left(\frac{1}{6}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 448 }(87, a) \) \(1\)\(1\)\(e\left(\frac{7}{24}\right)\)\(e\left(\frac{17}{24}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{13}{24}\right)\)\(e\left(\frac{5}{8}\right)\)\(1\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{11}{24}\right)\)\(e\left(\frac{1}{12}\right)\)\(e\left(\frac{5}{12}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 448 }(87,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 448 }(87,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 448 }(87,·),\chi_{ 448 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 448 }(87,·)) \;\) at \(\; a,b = \) e.g. 1,2