Properties

Label 189.164
Modulus 189189
Conductor 189189
Order 1818
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(189, base_ring=CyclotomicField(18))
 
M = H._module
 
chi = DirichletCharacter(H, M([1,3]))
 
pari: [g,chi] = znchar(Mod(164,189))
 

Basic properties

Modulus: 189189
Conductor: 189189
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: 1818
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 189.ba

χ189(5,)\chi_{189}(5,\cdot) χ189(38,)\chi_{189}(38,\cdot) χ189(68,)\chi_{189}(68,\cdot) χ189(101,)\chi_{189}(101,\cdot) χ189(131,)\chi_{189}(131,\cdot) χ189(164,)\chi_{189}(164,\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(ζ9)\Q(\zeta_{9})
Fixed field: Number field defined by a degree 18 polynomial

Values on generators

(29,136)(29,136)(e(118),e(16))(e\left(\frac{1}{18}\right),e\left(\frac{1}{6}\right))

First values

aa 1-11122445588101011111313161617171919
χ189(164,a) \chi_{ 189 }(164, a) 1111e(718)e\left(\frac{7}{18}\right)e(79)e\left(\frac{7}{9}\right)e(19)e\left(\frac{1}{9}\right)e(16)e\left(\frac{1}{6}\right)1-1e(718)e\left(\frac{7}{18}\right)e(1718)e\left(\frac{17}{18}\right)e(59)e\left(\frac{5}{9}\right)111-1
sage: chi.jacobi_sum(n)
 
χ189(164,a)   \chi_{ 189 }(164,a) \; at   a=\;a = e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
τa(χ189(164,))   \tau_{ a }( \chi_{ 189 }(164,·) )\; at   a=\;a = e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
J(χ189(164,),χ189(n,))   J(\chi_{ 189 }(164,·),\chi_{ 189 }(n,·)) \; for   n= \; n = e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
K(a,b,χ189(164,))  K(a,b,\chi_{ 189 }(164,·)) \; at   a,b=\; a,b = e.g. 1,2