Properties

Label 1088.63
Modulus $1088$
Conductor $68$
Order $16$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1088, base_ring=CyclotomicField(16))
 
M = H._module
 
chi = DirichletCharacter(H, M([8,0,13]))
 
pari: [g,chi] = znchar(Mod(63,1088))
 

Basic properties

Modulus: \(1088\)
Conductor: \(68\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(16\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{68}(63,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1088.cp

\(\chi_{1088}(63,\cdot)\) \(\chi_{1088}(447,\cdot)\) \(\chi_{1088}(575,\cdot)\) \(\chi_{1088}(639,\cdot)\) \(\chi_{1088}(703,\cdot)\) \(\chi_{1088}(895,\cdot)\) \(\chi_{1088}(959,\cdot)\) \(\chi_{1088}(1023,\cdot)\)

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: \(\Q(\zeta_{16})\)
Fixed field: \(\Q(\zeta_{68})^+\)

Values on generators

\((511,69,513)\) → \((-1,1,e\left(\frac{13}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(19\)\(21\)\(23\)
\( \chi_{ 1088 }(63, a) \) \(1\)\(1\)\(e\left(\frac{5}{16}\right)\)\(e\left(\frac{1}{16}\right)\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{3}{16}\right)\)\(i\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{7}{8}\right)\)\(-i\)\(e\left(\frac{11}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1088 }(63,a) \;\) at \(\;a = \) e.g. 2