Properties

Label 8005.28
Modulus $8005$
Conductor $8005$
Order $1600$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8005, base_ring=CyclotomicField(1600))
 
M = H._module
 
chi = DirichletCharacter(H, M([1200,691]))
 
pari: [g,chi] = znchar(Mod(28,8005))
 

Basic properties

Modulus: \(8005\)
Conductor: \(8005\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(1600\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8005.cx

\(\chi_{8005}(23,\cdot)\) \(\chi_{8005}(28,\cdot)\) \(\chi_{8005}(52,\cdot)\) \(\chi_{8005}(57,\cdot)\) \(\chi_{8005}(68,\cdot)\) \(\chi_{8005}(73,\cdot)\) \(\chi_{8005}(87,\cdot)\) \(\chi_{8005}(108,\cdot)\) \(\chi_{8005}(123,\cdot)\) \(\chi_{8005}(133,\cdot)\) \(\chi_{8005}(142,\cdot)\) \(\chi_{8005}(192,\cdot)\) \(\chi_{8005}(198,\cdot)\) \(\chi_{8005}(202,\cdot)\) \(\chi_{8005}(203,\cdot)\) \(\chi_{8005}(207,\cdot)\) \(\chi_{8005}(237,\cdot)\) \(\chi_{8005}(247,\cdot)\) \(\chi_{8005}(252,\cdot)\) \(\chi_{8005}(258,\cdot)\) \(\chi_{8005}(287,\cdot)\) \(\chi_{8005}(298,\cdot)\) \(\chi_{8005}(332,\cdot)\) \(\chi_{8005}(352,\cdot)\) \(\chi_{8005}(362,\cdot)\) \(\chi_{8005}(363,\cdot)\) \(\chi_{8005}(368,\cdot)\) \(\chi_{8005}(372,\cdot)\) \(\chi_{8005}(377,\cdot)\) \(\chi_{8005}(397,\cdot)\) ...

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: $\Q(\zeta_{1600})$
Fixed field: Number field defined by a degree 1600 polynomial (not computed)

Values on generators

\((1602,4806)\) → \((-i,e\left(\frac{691}{1600}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 8005 }(28, a) \) \(1\)\(1\)\(e\left(\frac{83}{400}\right)\)\(e\left(\frac{1091}{1600}\right)\)\(e\left(\frac{83}{200}\right)\)\(e\left(\frac{1423}{1600}\right)\)\(e\left(\frac{417}{1600}\right)\)\(e\left(\frac{249}{400}\right)\)\(e\left(\frac{291}{800}\right)\)\(e\left(\frac{603}{1600}\right)\)\(e\left(\frac{31}{320}\right)\)\(e\left(\frac{27}{64}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8005 }(28,a) \;\) at \(\;a = \) e.g. 2