Properties

Label 512.23
Modulus $512$
Conductor $256$
Order $64$
Real no
Primitive no
Minimal no
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(512, base_ring=CyclotomicField(64))
 
M = H._module
 
chi = DirichletCharacter(H, M([32,7]))
 
pari: [g,chi] = znchar(Mod(23,512))
 

Basic properties

Modulus: \(512\)
Conductor: \(256\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(64\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{256}(211,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 512.n

\(\chi_{512}(7,\cdot)\) \(\chi_{512}(23,\cdot)\) \(\chi_{512}(39,\cdot)\) \(\chi_{512}(55,\cdot)\) \(\chi_{512}(71,\cdot)\) \(\chi_{512}(87,\cdot)\) \(\chi_{512}(103,\cdot)\) \(\chi_{512}(119,\cdot)\) \(\chi_{512}(135,\cdot)\) \(\chi_{512}(151,\cdot)\) \(\chi_{512}(167,\cdot)\) \(\chi_{512}(183,\cdot)\) \(\chi_{512}(199,\cdot)\) \(\chi_{512}(215,\cdot)\) \(\chi_{512}(231,\cdot)\) \(\chi_{512}(247,\cdot)\) \(\chi_{512}(263,\cdot)\) \(\chi_{512}(279,\cdot)\) \(\chi_{512}(295,\cdot)\) \(\chi_{512}(311,\cdot)\) \(\chi_{512}(327,\cdot)\) \(\chi_{512}(343,\cdot)\) \(\chi_{512}(359,\cdot)\) \(\chi_{512}(375,\cdot)\) \(\chi_{512}(391,\cdot)\) \(\chi_{512}(407,\cdot)\) \(\chi_{512}(423,\cdot)\) \(\chi_{512}(439,\cdot)\) \(\chi_{512}(455,\cdot)\) \(\chi_{512}(471,\cdot)\) ...

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: $\Q(\zeta_{64})$
Fixed field: Number field defined by a degree 64 polynomial

Values on generators

\((511,5)\) → \((-1,e\left(\frac{7}{64}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 512 }(23, a) \) \(-1\)\(1\)\(e\left(\frac{21}{64}\right)\)\(e\left(\frac{7}{64}\right)\)\(e\left(\frac{19}{32}\right)\)\(e\left(\frac{21}{32}\right)\)\(e\left(\frac{51}{64}\right)\)\(e\left(\frac{9}{64}\right)\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{1}{16}\right)\)\(e\left(\frac{1}{64}\right)\)\(e\left(\frac{59}{64}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 512 }(23,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 512 }(23,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 512 }(23,·),\chi_{ 512 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 512 }(23,·)) \;\) at \(\; a,b = \) e.g. 1,2