Properties

Label 8005.18
Modulus $8005$
Conductor $8005$
Order $800$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8005, base_ring=CyclotomicField(800))
 
M = H._module
 
chi = DirichletCharacter(H, M([600,27]))
 
pari: [g,chi] = znchar(Mod(18,8005))
 

Basic properties

Modulus: \(8005\)
Conductor: \(8005\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(800\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8005.ct

\(\chi_{8005}(18,\cdot)\) \(\chi_{8005}(37,\cdot)\) \(\chi_{8005}(47,\cdot)\) \(\chi_{8005}(78,\cdot)\) \(\chi_{8005}(132,\cdot)\) \(\chi_{8005}(177,\cdot)\) \(\chi_{8005}(178,\cdot)\) \(\chi_{8005}(213,\cdot)\) \(\chi_{8005}(218,\cdot)\) \(\chi_{8005}(268,\cdot)\) \(\chi_{8005}(288,\cdot)\) \(\chi_{8005}(303,\cdot)\) \(\chi_{8005}(307,\cdot)\) \(\chi_{8005}(313,\cdot)\) \(\chi_{8005}(328,\cdot)\) \(\chi_{8005}(338,\cdot)\) \(\chi_{8005}(353,\cdot)\) \(\chi_{8005}(412,\cdot)\) \(\chi_{8005}(477,\cdot)\) \(\chi_{8005}(503,\cdot)\) \(\chi_{8005}(557,\cdot)\) \(\chi_{8005}(558,\cdot)\) \(\chi_{8005}(572,\cdot)\) \(\chi_{8005}(592,\cdot)\) \(\chi_{8005}(627,\cdot)\) \(\chi_{8005}(633,\cdot)\) \(\chi_{8005}(678,\cdot)\) \(\chi_{8005}(687,\cdot)\) \(\chi_{8005}(688,\cdot)\) \(\chi_{8005}(693,\cdot)\) ...

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: $\Q(\zeta_{800})$
Fixed field: Number field defined by a degree 800 polynomial (not computed)

Values on generators

\((1602,4806)\) → \((-i,e\left(\frac{27}{800}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 8005 }(18, a) \) \(-1\)\(1\)\(e\left(\frac{101}{200}\right)\)\(e\left(\frac{227}{800}\right)\)\(e\left(\frac{1}{100}\right)\)\(e\left(\frac{631}{800}\right)\)\(e\left(\frac{449}{800}\right)\)\(e\left(\frac{103}{200}\right)\)\(e\left(\frac{227}{400}\right)\)\(e\left(\frac{291}{800}\right)\)\(e\left(\frac{47}{160}\right)\)\(e\left(\frac{27}{32}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8005 }(18,a) \;\) at \(\;a = \) e.g. 2