Properties

Label 847.76
Modulus $847$
Conductor $847$
Order $22$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(847, base_ring=CyclotomicField(22))
 
M = H._module
 
chi = DirichletCharacter(H, M([11,17]))
 
pari: [g,chi] = znchar(Mod(76,847))
 

Basic properties

Modulus: \(847\)
Conductor: \(847\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(22\)
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 847.p

\(\chi_{847}(76,\cdot)\) \(\chi_{847}(153,\cdot)\) \(\chi_{847}(230,\cdot)\) \(\chi_{847}(307,\cdot)\) \(\chi_{847}(384,\cdot)\) \(\chi_{847}(461,\cdot)\) \(\chi_{847}(538,\cdot)\) \(\chi_{847}(615,\cdot)\) \(\chi_{847}(692,\cdot)\) \(\chi_{847}(769,\cdot)\)

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: \(\Q(\zeta_{11})\)
Fixed field: Number field defined by a degree 22 polynomial

Values on generators

\((122,365)\) → \((-1,e\left(\frac{17}{22}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(12\)\(13\)
\( \chi_{ 847 }(76, a) \) \(1\)\(1\)\(e\left(\frac{17}{22}\right)\)\(-1\)\(e\left(\frac{6}{11}\right)\)\(e\left(\frac{15}{22}\right)\)\(e\left(\frac{3}{11}\right)\)\(e\left(\frac{7}{22}\right)\)\(1\)\(e\left(\frac{5}{11}\right)\)\(e\left(\frac{1}{22}\right)\)\(e\left(\frac{6}{11}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 847 }(76,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 847 }(76,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 847 }(76,·),\chi_{ 847 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 847 }(76,·)) \;\) at \(\; a,b = \) e.g. 1,2