Properties

Label 4018.23
Modulus $4018$
Conductor $2009$
Order $210$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4018, base_ring=CyclotomicField(210))
 
M = H._module
 
chi = DirichletCharacter(H, M([190,189]))
 
pari: [g,chi] = znchar(Mod(23,4018))
 

Basic properties

Modulus: \(4018\)
Conductor: \(2009\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(210\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2009}(23,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4018.cd

\(\chi_{4018}(23,\cdot)\) \(\chi_{4018}(25,\cdot)\) \(\chi_{4018}(107,\cdot)\) \(\chi_{4018}(277,\cdot)\) \(\chi_{4018}(291,\cdot)\) \(\chi_{4018}(359,\cdot)\) \(\chi_{4018}(515,\cdot)\) \(\chi_{4018}(597,\cdot)\) \(\chi_{4018}(599,\cdot)\) \(\chi_{4018}(681,\cdot)\) \(\chi_{4018}(865,\cdot)\) \(\chi_{4018}(933,\cdot)\) \(\chi_{4018}(947,\cdot)\) \(\chi_{4018}(1089,\cdot)\) \(\chi_{4018}(1171,\cdot)\) \(\chi_{4018}(1173,\cdot)\) \(\chi_{4018}(1425,\cdot)\) \(\chi_{4018}(1507,\cdot)\) \(\chi_{4018}(1521,\cdot)\) \(\chi_{4018}(1663,\cdot)\) \(\chi_{4018}(1747,\cdot)\) \(\chi_{4018}(1829,\cdot)\) \(\chi_{4018}(1999,\cdot)\) \(\chi_{4018}(2013,\cdot)\) \(\chi_{4018}(2081,\cdot)\) \(\chi_{4018}(2095,\cdot)\) \(\chi_{4018}(2237,\cdot)\) \(\chi_{4018}(2319,\cdot)\) \(\chi_{4018}(2403,\cdot)\) \(\chi_{4018}(2573,\cdot)\) ...

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: $\Q(\zeta_{105})$
Fixed field: Number field defined by a degree 210 polynomial (not computed)

Values on generators

\((493,785)\) → \((e\left(\frac{19}{21}\right),e\left(\frac{9}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 4018 }(23, a) \) \(1\)\(1\)\(e\left(\frac{17}{42}\right)\)\(e\left(\frac{4}{105}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{187}{210}\right)\)\(e\left(\frac{53}{70}\right)\)\(e\left(\frac{31}{70}\right)\)\(e\left(\frac{67}{210}\right)\)\(e\left(\frac{23}{30}\right)\)\(e\left(\frac{82}{105}\right)\)\(e\left(\frac{8}{105}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4018 }(23,a) \;\) at \(\;a = \) e.g. 2