Properties

Label 9408.191
Modulus $9408$
Conductor $588$
Order $42$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(9408, base_ring=CyclotomicField(42))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,0,21,8]))
 
pari: [g,chi] = znchar(Mod(191,9408))
 

Basic properties

Modulus: \(9408\)
Conductor: \(588\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(42\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{588}(191,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 9408.dx

\(\chi_{9408}(191,\cdot)\) \(\chi_{9408}(767,\cdot)\) \(\chi_{9408}(1535,\cdot)\) \(\chi_{9408}(2111,\cdot)\) \(\chi_{9408}(2879,\cdot)\) \(\chi_{9408}(3455,\cdot)\) \(\chi_{9408}(4223,\cdot)\) \(\chi_{9408}(4799,\cdot)\) \(\chi_{9408}(6911,\cdot)\) \(\chi_{9408}(7487,\cdot)\) \(\chi_{9408}(8255,\cdot)\) \(\chi_{9408}(8831,\cdot)\)

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: \(\Q(\zeta_{21})\)
Fixed field: Number field defined by a degree 42 polynomial

Values on generators

\((1471,6469,3137,4609)\) → \((-1,1,-1,e\left(\frac{4}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(37\)
\( \chi_{ 9408 }(191, a) \) \(1\)\(1\)\(e\left(\frac{1}{42}\right)\)\(e\left(\frac{13}{21}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{11}{42}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{5}{21}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{13}{14}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{2}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 9408 }(191,a) \;\) at \(\;a = \) e.g. 2