Properties

Label 931.9
Modulus $931$
Conductor $931$
Order $63$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(931, base_ring=CyclotomicField(126))
 
M = H._module
 
chi = DirichletCharacter(H, M([6,56]))
 
pari: [g,chi] = znchar(Mod(9,931))
 

Basic properties

Modulus: \(931\)
Conductor: \(931\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(63\)
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 931.cb

\(\chi_{931}(9,\cdot)\) \(\chi_{931}(23,\cdot)\) \(\chi_{931}(44,\cdot)\) \(\chi_{931}(74,\cdot)\) \(\chi_{931}(81,\cdot)\) \(\chi_{931}(130,\cdot)\) \(\chi_{931}(142,\cdot)\) \(\chi_{931}(156,\cdot)\) \(\chi_{931}(207,\cdot)\) \(\chi_{931}(289,\cdot)\) \(\chi_{931}(310,\cdot)\) \(\chi_{931}(340,\cdot)\) \(\chi_{931}(347,\cdot)\) \(\chi_{931}(396,\cdot)\) \(\chi_{931}(408,\cdot)\) \(\chi_{931}(443,\cdot)\) \(\chi_{931}(473,\cdot)\) \(\chi_{931}(480,\cdot)\) \(\chi_{931}(529,\cdot)\) \(\chi_{931}(541,\cdot)\) \(\chi_{931}(555,\cdot)\) \(\chi_{931}(576,\cdot)\) \(\chi_{931}(613,\cdot)\) \(\chi_{931}(662,\cdot)\) \(\chi_{931}(674,\cdot)\) \(\chi_{931}(688,\cdot)\) \(\chi_{931}(709,\cdot)\) \(\chi_{931}(739,\cdot)\) \(\chi_{931}(746,\cdot)\) \(\chi_{931}(795,\cdot)\) ...

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: $\Q(\zeta_{63})$
Fixed field: Number field defined by a degree 63 polynomial

Values on generators

\((248,344)\) → \((e\left(\frac{1}{21}\right),e\left(\frac{4}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 931 }(9, a) \) \(1\)\(1\)\(e\left(\frac{43}{63}\right)\)\(e\left(\frac{52}{63}\right)\)\(e\left(\frac{23}{63}\right)\)\(e\left(\frac{31}{63}\right)\)\(e\left(\frac{32}{63}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{41}{63}\right)\)\(e\left(\frac{11}{63}\right)\)\(e\left(\frac{5}{21}\right)\)\(e\left(\frac{4}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 931 }(9,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 931 }(9,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 931 }(9,·),\chi_{ 931 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 931 }(9,·)) \;\) at \(\; a,b = \) e.g. 1,2