Properties

Label 1368.395
Modulus $1368$
Conductor $456$
Order $18$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1368, base_ring=CyclotomicField(18))
 
M = H._module
 
chi = DirichletCharacter(H, M([9,9,9,11]))
 
pari: [g,chi] = znchar(Mod(395,1368))
 

Basic properties

Modulus: \(1368\)
Conductor: \(456\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(18\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{456}(395,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1368.ek

\(\chi_{1368}(395,\cdot)\) \(\chi_{1368}(611,\cdot)\) \(\chi_{1368}(755,\cdot)\) \(\chi_{1368}(827,\cdot)\) \(\chi_{1368}(971,\cdot)\) \(\chi_{1368}(1115,\cdot)\)

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: 18.0.14478127324240404768365927869710336.1

Values on generators

\((343,685,1217,1009)\) → \((-1,-1,-1,e\left(\frac{11}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(23\)\(25\)\(29\)\(31\)\(35\)
\( \chi_{ 1368 }(395, a) \) \(-1\)\(1\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{5}{9}\right)\)\(e\left(\frac{11}{18}\right)\)\(e\left(\frac{2}{9}\right)\)\(e\left(\frac{5}{9}\right)\)\(e\left(\frac{7}{18}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{17}{18}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1368 }(395,a) \;\) at \(\;a = \) e.g. 2