Properties

Label 8381.5240
Modulus $8381$
Conductor $493$
Order $28$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8381, base_ring=CyclotomicField(28))
 
M = H._module
 
chi = DirichletCharacter(H, M([21,24]))
 
pari: [g,chi] = znchar(Mod(5240,8381))
 

Basic properties

Modulus: \(8381\)
Conductor: \(493\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(28\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{493}(310,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 8381.bc

\(\chi_{8381}(616,\cdot)\) \(\chi_{8381}(1118,\cdot)\) \(\chi_{8381}(3719,\cdot)\) \(\chi_{8381}(3795,\cdot)\) \(\chi_{8381}(4084,\cdot)\) \(\chi_{8381}(4373,\cdot)\) \(\chi_{8381}(5240,\cdot)\) \(\chi_{8381}(6396,\cdot)\) \(\chi_{8381}(6898,\cdot)\) \(\chi_{8381}(7187,\cdot)\) \(\chi_{8381}(7476,\cdot)\) \(\chi_{8381}(8343,\cdot)\)

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: \(\Q(\zeta_{28})\)
Fixed field: Number field defined by a degree 28 polynomial

Values on generators

\((581,8093)\) → \((-i,e\left(\frac{6}{7}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 8381 }(5240, a) \) \(1\)\(1\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{17}{28}\right)\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{15}{28}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{27}{28}\right)\)\(e\left(\frac{19}{28}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 8381 }(5240,a) \;\) at \(\;a = \) e.g. 2