Properties

Label 2075.18
Modulus $2075$
Conductor $415$
Order $164$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2075, base_ring=CyclotomicField(164))
 
M = H._module
 
chi = DirichletCharacter(H, M([123,126]))
 
pari: [g,chi] = znchar(Mod(18,2075))
 

Basic properties

Modulus: \(2075\)
Conductor: \(415\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(164\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{415}(18,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2075.r

\(\chi_{2075}(18,\cdot)\) \(\chi_{2075}(32,\cdot)\) \(\chi_{2075}(43,\cdot)\) \(\chi_{2075}(57,\cdot)\) \(\chi_{2075}(107,\cdot)\) \(\chi_{2075}(118,\cdot)\) \(\chi_{2075}(143,\cdot)\) \(\chi_{2075}(157,\cdot)\) \(\chi_{2075}(168,\cdot)\) \(\chi_{2075}(218,\cdot)\) \(\chi_{2075}(232,\cdot)\) \(\chi_{2075}(257,\cdot)\) \(\chi_{2075}(268,\cdot)\) \(\chi_{2075}(307,\cdot)\) \(\chi_{2075}(382,\cdot)\) \(\chi_{2075}(457,\cdot)\) \(\chi_{2075}(468,\cdot)\) \(\chi_{2075}(482,\cdot)\) \(\chi_{2075}(518,\cdot)\) \(\chi_{2075}(532,\cdot)\) \(\chi_{2075}(543,\cdot)\) \(\chi_{2075}(643,\cdot)\) \(\chi_{2075}(657,\cdot)\) \(\chi_{2075}(682,\cdot)\) \(\chi_{2075}(707,\cdot)\) \(\chi_{2075}(718,\cdot)\) \(\chi_{2075}(743,\cdot)\) \(\chi_{2075}(782,\cdot)\) \(\chi_{2075}(793,\cdot)\) \(\chi_{2075}(807,\cdot)\) ...

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: $\Q(\zeta_{164})$
Fixed field: Number field defined by a degree 164 polynomial (not computed)

Values on generators

\((1827,251)\) → \((-i,e\left(\frac{63}{82}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 2075 }(18, a) \) \(1\)\(1\)\(e\left(\frac{85}{164}\right)\)\(e\left(\frac{93}{164}\right)\)\(e\left(\frac{3}{82}\right)\)\(e\left(\frac{7}{82}\right)\)\(e\left(\frac{147}{164}\right)\)\(e\left(\frac{91}{164}\right)\)\(e\left(\frac{11}{82}\right)\)\(e\left(\frac{18}{41}\right)\)\(e\left(\frac{99}{164}\right)\)\(e\left(\frac{67}{164}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2075 }(18,a) \;\) at \(\;a = \) e.g. 2