Properties

Label 1666.9
Modulus $1666$
Conductor $833$
Order $168$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1666, base_ring=CyclotomicField(168))
 
M = H._module
 
chi = DirichletCharacter(H, M([8,21]))
 
pari: [g,chi] = znchar(Mod(9,1666))
 

Basic properties

Modulus: \(1666\)
Conductor: \(833\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(168\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{833}(9,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1666.bl

\(\chi_{1666}(9,\cdot)\) \(\chi_{1666}(25,\cdot)\) \(\chi_{1666}(53,\cdot)\) \(\chi_{1666}(93,\cdot)\) \(\chi_{1666}(121,\cdot)\) \(\chi_{1666}(151,\cdot)\) \(\chi_{1666}(179,\cdot)\) \(\chi_{1666}(219,\cdot)\) \(\chi_{1666}(247,\cdot)\) \(\chi_{1666}(291,\cdot)\) \(\chi_{1666}(331,\cdot)\) \(\chi_{1666}(359,\cdot)\) \(\chi_{1666}(389,\cdot)\) \(\chi_{1666}(417,\cdot)\) \(\chi_{1666}(457,\cdot)\) \(\chi_{1666}(485,\cdot)\) \(\chi_{1666}(501,\cdot)\) \(\chi_{1666}(529,\cdot)\) \(\chi_{1666}(597,\cdot)\) \(\chi_{1666}(627,\cdot)\) \(\chi_{1666}(695,\cdot)\) \(\chi_{1666}(723,\cdot)\) \(\chi_{1666}(739,\cdot)\) \(\chi_{1666}(767,\cdot)\) \(\chi_{1666}(807,\cdot)\) \(\chi_{1666}(835,\cdot)\) \(\chi_{1666}(865,\cdot)\) \(\chi_{1666}(893,\cdot)\) \(\chi_{1666}(933,\cdot)\) \(\chi_{1666}(977,\cdot)\) ...

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: $\Q(\zeta_{168})$
Fixed field: Number field defined by a degree 168 polynomial (not computed)

Values on generators

\((885,785)\) → \((e\left(\frac{1}{21}\right),e\left(\frac{1}{8}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(19\)\(23\)\(25\)\(27\)
\( \chi_{ 1666 }(9, a) \) \(1\)\(1\)\(e\left(\frac{29}{168}\right)\)\(e\left(\frac{1}{168}\right)\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{131}{168}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{5}{12}\right)\)\(e\left(\frac{115}{168}\right)\)\(e\left(\frac{1}{84}\right)\)\(e\left(\frac{29}{56}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1666 }(9,a) \;\) at \(\;a = \) e.g. 2