Properties

Label 931.4
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([30,14]))
 
pari: [g,chi] = znchar(Mod(4,931))
 

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.ca

\(\chi_{931}(4,\cdot)\) \(\chi_{931}(16,\cdot)\) \(\chi_{931}(25,\cdot)\) \(\chi_{931}(93,\cdot)\) \(\chi_{931}(100,\cdot)\) \(\chi_{931}(123,\cdot)\) \(\chi_{931}(137,\cdot)\) \(\chi_{931}(149,\cdot)\) \(\chi_{931}(158,\cdot)\) \(\chi_{931}(233,\cdot)\) \(\chi_{931}(256,\cdot)\) \(\chi_{931}(270,\cdot)\) \(\chi_{931}(282,\cdot)\) \(\chi_{931}(291,\cdot)\) \(\chi_{931}(359,\cdot)\) \(\chi_{931}(366,\cdot)\) \(\chi_{931}(389,\cdot)\) \(\chi_{931}(403,\cdot)\) \(\chi_{931}(415,\cdot)\) \(\chi_{931}(424,\cdot)\) \(\chi_{931}(492,\cdot)\) \(\chi_{931}(499,\cdot)\) \(\chi_{931}(522,\cdot)\) \(\chi_{931}(536,\cdot)\) \(\chi_{931}(548,\cdot)\) \(\chi_{931}(625,\cdot)\) \(\chi_{931}(632,\cdot)\) \(\chi_{931}(669,\cdot)\) \(\chi_{931}(681,\cdot)\) \(\chi_{931}(690,\cdot)\) ...

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

\((248,344)\) → \((e\left(\frac{5}{21}\right),e\left(\frac{1}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 931 }(4, a) \) \(1\)\(1\)\(e\left(\frac{19}{63}\right)\)\(e\left(\frac{43}{63}\right)\)\(e\left(\frac{38}{63}\right)\)\(e\left(\frac{43}{63}\right)\)\(e\left(\frac{62}{63}\right)\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{23}{63}\right)\)\(e\left(\frac{62}{63}\right)\)\(e\left(\frac{6}{7}\right)\)\(e\left(\frac{2}{7}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 931 }(4,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 931 }(4,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 931 }(4,·),\chi_{ 931 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 931 }(4,·)) \;\) at \(\; a,b = \) e.g. 1,2