Properties

Label 869.13
Modulus $869$
Conductor $869$
Order $390$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(869, base_ring=CyclotomicField(390))
 
M = H._module
 
chi = DirichletCharacter(H, M([39,170]))
 
pari: [g,chi] = znchar(Mod(13,869))
 

Basic properties

Modulus: \(869\)
Conductor: \(869\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(390\)
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 869.be

\(\chi_{869}(2,\cdot)\) \(\chi_{869}(13,\cdot)\) \(\chi_{869}(19,\cdot)\) \(\chi_{869}(40,\cdot)\) \(\chi_{869}(50,\cdot)\) \(\chi_{869}(51,\cdot)\) \(\chi_{869}(72,\cdot)\) \(\chi_{869}(73,\cdot)\) \(\chi_{869}(83,\cdot)\) \(\chi_{869}(84,\cdot)\) \(\chi_{869}(90,\cdot)\) \(\chi_{869}(95,\cdot)\) \(\chi_{869}(105,\cdot)\) \(\chi_{869}(123,\cdot)\) \(\chi_{869}(128,\cdot)\) \(\chi_{869}(129,\cdot)\) \(\chi_{869}(151,\cdot)\) \(\chi_{869}(160,\cdot)\) \(\chi_{869}(162,\cdot)\) \(\chi_{869}(167,\cdot)\) \(\chi_{869}(171,\cdot)\) \(\chi_{869}(178,\cdot)\) \(\chi_{869}(183,\cdot)\) \(\chi_{869}(184,\cdot)\) \(\chi_{869}(189,\cdot)\) \(\chi_{869}(194,\cdot)\) \(\chi_{869}(200,\cdot)\) \(\chi_{869}(239,\cdot)\) \(\chi_{869}(248,\cdot)\) \(\chi_{869}(250,\cdot)\) ...

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: $\Q(\zeta_{195})$
Fixed field: Number field defined by a degree 390 polynomial (not computed)

Values on generators

\((475,793)\) → \((e\left(\frac{1}{10}\right),e\left(\frac{17}{39}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(12\)
\( \chi_{ 869 }(13, a) \) \(-1\)\(1\)\(e\left(\frac{329}{390}\right)\)\(e\left(\frac{46}{195}\right)\)\(e\left(\frac{134}{195}\right)\)\(e\left(\frac{83}{195}\right)\)\(e\left(\frac{31}{390}\right)\)\(e\left(\frac{313}{390}\right)\)\(e\left(\frac{69}{130}\right)\)\(e\left(\frac{92}{195}\right)\)\(e\left(\frac{7}{26}\right)\)\(e\left(\frac{12}{13}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 869 }(13,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 869 }(13,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 869 }(13,·),\chi_{ 869 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 869 }(13,·)) \;\) at \(\; a,b = \) e.g. 1,2