Properties

Label 731.423
Modulus $731$
Conductor $731$
Order $24$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(731, base_ring=CyclotomicField(24))
 
M = H._module
 
chi = DirichletCharacter(H, M([9,8]))
 
pari: [g,chi] = znchar(Mod(423,731))
 

Basic properties

Modulus: \(731\)
Conductor: \(731\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(24\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 731.v

\(\chi_{731}(36,\cdot)\) \(\chi_{731}(49,\cdot)\) \(\chi_{731}(178,\cdot)\) \(\chi_{731}(264,\cdot)\) \(\chi_{731}(393,\cdot)\) \(\chi_{731}(423,\cdot)\) \(\chi_{731}(552,\cdot)\) \(\chi_{731}(638,\cdot)\)

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: Number field defined by a degree 24 polynomial

Values on generators

\((173,562)\) → \((e\left(\frac{3}{8}\right),e\left(\frac{1}{3}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 731 }(423, a) \) \(1\)\(1\)\(i\)\(e\left(\frac{17}{24}\right)\)\(-1\)\(e\left(\frac{5}{24}\right)\)\(e\left(\frac{23}{24}\right)\)\(e\left(\frac{19}{24}\right)\)\(-i\)\(e\left(\frac{5}{12}\right)\)\(e\left(\frac{11}{24}\right)\)\(e\left(\frac{5}{8}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 731 }(423,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 731 }(423,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 731 }(423,·),\chi_{ 731 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 731 }(423,·)) \;\) at \(\; a,b = \) e.g. 1,2