Properties

Label 7168.27
Modulus $7168$
Conductor $7168$
Order $256$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(7168, base_ring=CyclotomicField(256))
 
M = H._module
 
chi = DirichletCharacter(H, M([128,233,128]))
 
pari: [g,chi] = znchar(Mod(27,7168))
 

Basic properties

Modulus: \(7168\)
Conductor: \(7168\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(256\)
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 7168.ci

\(\chi_{7168}(27,\cdot)\) \(\chi_{7168}(83,\cdot)\) \(\chi_{7168}(139,\cdot)\) \(\chi_{7168}(195,\cdot)\) \(\chi_{7168}(251,\cdot)\) \(\chi_{7168}(307,\cdot)\) \(\chi_{7168}(363,\cdot)\) \(\chi_{7168}(419,\cdot)\) \(\chi_{7168}(475,\cdot)\) \(\chi_{7168}(531,\cdot)\) \(\chi_{7168}(587,\cdot)\) \(\chi_{7168}(643,\cdot)\) \(\chi_{7168}(699,\cdot)\) \(\chi_{7168}(755,\cdot)\) \(\chi_{7168}(811,\cdot)\) \(\chi_{7168}(867,\cdot)\) \(\chi_{7168}(923,\cdot)\) \(\chi_{7168}(979,\cdot)\) \(\chi_{7168}(1035,\cdot)\) \(\chi_{7168}(1091,\cdot)\) \(\chi_{7168}(1147,\cdot)\) \(\chi_{7168}(1203,\cdot)\) \(\chi_{7168}(1259,\cdot)\) \(\chi_{7168}(1315,\cdot)\) \(\chi_{7168}(1371,\cdot)\) \(\chi_{7168}(1427,\cdot)\) \(\chi_{7168}(1483,\cdot)\) \(\chi_{7168}(1539,\cdot)\) \(\chi_{7168}(1595,\cdot)\) \(\chi_{7168}(1651,\cdot)\) ...

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: $\Q(\zeta_{256})$
Fixed field: Number field defined by a degree 256 polynomial (not computed)

Values on generators

\((1023,5125,1025)\) → \((-1,e\left(\frac{233}{256}\right),-1)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 7168 }(27, a) \) \(1\)\(1\)\(e\left(\frac{91}{256}\right)\)\(e\left(\frac{105}{256}\right)\)\(e\left(\frac{91}{128}\right)\)\(e\left(\frac{93}{256}\right)\)\(e\left(\frac{7}{256}\right)\)\(e\left(\frac{49}{64}\right)\)\(e\left(\frac{31}{64}\right)\)\(e\left(\frac{111}{256}\right)\)\(e\left(\frac{95}{128}\right)\)\(e\left(\frac{105}{128}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 7168 }(27,a) \;\) at \(\;a = \) e.g. 2