Properties

Label 4560.2639
Modulus $4560$
Conductor $1140$
Order $18$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4560, base_ring=CyclotomicField(18))
 
M = H._module
 
chi = DirichletCharacter(H, M([9,0,9,9,10]))
 
pari: [g,chi] = znchar(Mod(2639,4560))
 

Basic properties

Modulus: \(4560\)
Conductor: \(1140\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(18\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1140}(359,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4560.gj

\(\chi_{4560}(479,\cdot)\) \(\chi_{4560}(719,\cdot)\) \(\chi_{4560}(959,\cdot)\) \(\chi_{4560}(2399,\cdot)\) \(\chi_{4560}(2639,\cdot)\) \(\chi_{4560}(4319,\cdot)\)

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: \(\Q(\zeta_{9})\)
Fixed field: Number field defined by a degree 18 polynomial

Values on generators

\((1711,1141,3041,2737,1921)\) → \((-1,1,-1,-1,e\left(\frac{5}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 4560 }(2639, a) \) \(1\)\(1\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{5}{18}\right)\)\(e\left(\frac{5}{9}\right)\)\(e\left(\frac{11}{18}\right)\)\(e\left(\frac{17}{18}\right)\)\(e\left(\frac{5}{6}\right)\)\(-1\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{8}{9}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4560 }(2639,a) \;\) at \(\;a = \) e.g. 2