Properties

Label 931.15
Modulus $931$
Conductor $931$
Order $126$
Real no
Primitive yes
Minimal yes
Parity odd

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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([90,77]))
 
pari: [g,chi] = znchar(Mod(15,931))
 

Basic properties

Modulus: \(931\)
Conductor: \(931\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(126\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 931.cf

\(\chi_{931}(15,\cdot)\) \(\chi_{931}(22,\cdot)\) \(\chi_{931}(29,\cdot)\) \(\chi_{931}(71,\cdot)\) \(\chi_{931}(78,\cdot)\) \(\chi_{931}(127,\cdot)\) \(\chi_{931}(155,\cdot)\) \(\chi_{931}(162,\cdot)\) \(\chi_{931}(204,\cdot)\) \(\chi_{931}(211,\cdot)\) \(\chi_{931}(260,\cdot)\) \(\chi_{931}(281,\cdot)\) \(\chi_{931}(288,\cdot)\) \(\chi_{931}(337,\cdot)\) \(\chi_{931}(414,\cdot)\) \(\chi_{931}(421,\cdot)\) \(\chi_{931}(428,\cdot)\) \(\chi_{931}(470,\cdot)\) \(\chi_{931}(477,\cdot)\) \(\chi_{931}(526,\cdot)\) \(\chi_{931}(547,\cdot)\) \(\chi_{931}(554,\cdot)\) \(\chi_{931}(561,\cdot)\) \(\chi_{931}(603,\cdot)\) \(\chi_{931}(610,\cdot)\) \(\chi_{931}(659,\cdot)\) \(\chi_{931}(680,\cdot)\) \(\chi_{931}(694,\cdot)\) \(\chi_{931}(743,\cdot)\) \(\chi_{931}(792,\cdot)\) ...

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 126 polynomial (not computed)

Values on generators

\((248,344)\) → \((e\left(\frac{5}{7}\right),e\left(\frac{11}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 931 }(15, a) \) \(-1\)\(1\)\(e\left(\frac{23}{126}\right)\)\(e\left(\frac{83}{126}\right)\)\(e\left(\frac{23}{63}\right)\)\(e\left(\frac{31}{63}\right)\)\(e\left(\frac{53}{63}\right)\)\(e\left(\frac{23}{42}\right)\)\(e\left(\frac{20}{63}\right)\)\(e\left(\frac{85}{126}\right)\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{1}{42}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 931 }(15,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 931 }(15,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 931 }(15,·),\chi_{ 931 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 931 }(15,·)) \;\) at \(\; a,b = \) e.g. 1,2