Properties

Label 4018.17
Modulus $4018$
Conductor $2009$
Order $840$
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(840))
 
M = H._module
 
chi = DirichletCharacter(H, M([500,693]))
 
pari: [g,chi] = znchar(Mod(17,4018))
 

Basic properties

Modulus: \(4018\)
Conductor: \(2009\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(840\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2009}(17,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4018.cl

\(\chi_{4018}(17,\cdot)\) \(\chi_{4018}(47,\cdot)\) \(\chi_{4018}(75,\cdot)\) \(\chi_{4018}(89,\cdot)\) \(\chi_{4018}(101,\cdot)\) \(\chi_{4018}(145,\cdot)\) \(\chi_{4018}(157,\cdot)\) \(\chi_{4018}(171,\cdot)\) \(\chi_{4018}(199,\cdot)\) \(\chi_{4018}(229,\cdot)\) \(\chi_{4018}(257,\cdot)\) \(\chi_{4018}(299,\cdot)\) \(\chi_{4018}(311,\cdot)\) \(\chi_{4018}(339,\cdot)\) \(\chi_{4018}(341,\cdot)\) \(\chi_{4018}(381,\cdot)\) \(\chi_{4018}(395,\cdot)\) \(\chi_{4018}(397,\cdot)\) \(\chi_{4018}(425,\cdot)\) \(\chi_{4018}(439,\cdot)\) \(\chi_{4018}(479,\cdot)\) \(\chi_{4018}(481,\cdot)\) \(\chi_{4018}(507,\cdot)\) \(\chi_{4018}(563,\cdot)\) \(\chi_{4018}(591,\cdot)\) \(\chi_{4018}(593,\cdot)\) \(\chi_{4018}(621,\cdot)\) \(\chi_{4018}(649,\cdot)\) \(\chi_{4018}(663,\cdot)\) \(\chi_{4018}(675,\cdot)\) ...

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: $\Q(\zeta_{840})$
Fixed field: Number field defined by a degree 840 polynomial (not computed)

Values on generators

\((493,785)\) → \((e\left(\frac{25}{42}\right),e\left(\frac{33}{40}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 4018 }(17, a) \) \(1\)\(1\)\(e\left(\frac{163}{168}\right)\)\(e\left(\frac{173}{420}\right)\)\(e\left(\frac{79}{84}\right)\)\(e\left(\frac{239}{840}\right)\)\(e\left(\frac{61}{280}\right)\)\(e\left(\frac{107}{280}\right)\)\(e\left(\frac{89}{840}\right)\)\(e\left(\frac{31}{120}\right)\)\(e\left(\frac{67}{210}\right)\)\(e\left(\frac{173}{210}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4018 }(17,a) \;\) at \(\;a = \) e.g. 2