Properties

Label 8005.13
Modulus $8005$
Conductor $8005$
Order $64$
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(64))
 
M = H._module
 
chi = DirichletCharacter(H, M([48,9]))
 
pari: [g,chi] = znchar(Mod(13,8005))
 

Basic properties

Modulus: \(8005\)
Conductor: \(8005\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(64\)
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.bo

\(\chi_{8005}(13,\cdot)\) \(\chi_{8005}(147,\cdot)\) \(\chi_{8005}(742,\cdot)\) \(\chi_{8005}(773,\cdot)\) \(\chi_{8005}(828,\cdot)\) \(\chi_{8005}(862,\cdot)\) \(\chi_{8005}(1077,\cdot)\) \(\chi_{8005}(1417,\cdot)\) \(\chi_{8005}(1588,\cdot)\) \(\chi_{8005}(1738,\cdot)\) \(\chi_{8005}(2197,\cdot)\) \(\chi_{8005}(2278,\cdot)\) \(\chi_{8005}(2358,\cdot)\) \(\chi_{8005}(2557,\cdot)\) \(\chi_{8005}(3027,\cdot)\) \(\chi_{8005}(3063,\cdot)\) \(\chi_{8005}(3377,\cdot)\) \(\chi_{8005}(3703,\cdot)\) \(\chi_{8005}(3847,\cdot)\) \(\chi_{8005}(4207,\cdot)\) \(\chi_{8005}(4283,\cdot)\) \(\chi_{8005}(4987,\cdot)\) \(\chi_{8005}(5323,\cdot)\) \(\chi_{8005}(5327,\cdot)\) \(\chi_{8005}(5542,\cdot)\) \(\chi_{8005}(5662,\cdot)\) \(\chi_{8005}(5903,\cdot)\) \(\chi_{8005}(6257,\cdot)\) \(\chi_{8005}(6543,\cdot)\) \(\chi_{8005}(7248,\cdot)\) ...

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: $\Q(\zeta_{64})$
Fixed field: Number field defined by a degree 64 polynomial

Values on generators

\((1602,4806)\) → \((-i,e\left(\frac{9}{64}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 8005 }(13, a) \) \(1\)\(1\)\(e\left(\frac{1}{16}\right)\)\(e\left(\frac{25}{64}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{29}{64}\right)\)\(e\left(\frac{19}{64}\right)\)\(e\left(\frac{3}{16}\right)\)\(e\left(\frac{25}{32}\right)\)\(e\left(\frac{1}{64}\right)\)\(e\left(\frac{33}{64}\right)\)\(e\left(\frac{57}{64}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8005 }(13,a) \;\) at \(\;a = \) e.g. 2