Properties

Label 4928.13
Modulus $4928$
Conductor $4928$
Order $80$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4928, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,75,40,8]))
 
pari: [g,chi] = znchar(Mod(13,4928))
 

Basic properties

Modulus: \(4928\)
Conductor: \(4928\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(80\)
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 4928.fg

\(\chi_{4928}(13,\cdot)\) \(\chi_{4928}(237,\cdot)\) \(\chi_{4928}(293,\cdot)\) \(\chi_{4928}(349,\cdot)\) \(\chi_{4928}(629,\cdot)\) \(\chi_{4928}(853,\cdot)\) \(\chi_{4928}(909,\cdot)\) \(\chi_{4928}(965,\cdot)\) \(\chi_{4928}(1245,\cdot)\) \(\chi_{4928}(1469,\cdot)\) \(\chi_{4928}(1525,\cdot)\) \(\chi_{4928}(1581,\cdot)\) \(\chi_{4928}(1861,\cdot)\) \(\chi_{4928}(2085,\cdot)\) \(\chi_{4928}(2141,\cdot)\) \(\chi_{4928}(2197,\cdot)\) \(\chi_{4928}(2477,\cdot)\) \(\chi_{4928}(2701,\cdot)\) \(\chi_{4928}(2757,\cdot)\) \(\chi_{4928}(2813,\cdot)\) \(\chi_{4928}(3093,\cdot)\) \(\chi_{4928}(3317,\cdot)\) \(\chi_{4928}(3373,\cdot)\) \(\chi_{4928}(3429,\cdot)\) \(\chi_{4928}(3709,\cdot)\) \(\chi_{4928}(3933,\cdot)\) \(\chi_{4928}(3989,\cdot)\) \(\chi_{4928}(4045,\cdot)\) \(\chi_{4928}(4325,\cdot)\) \(\chi_{4928}(4549,\cdot)\) ...

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: $\Q(\zeta_{80})$
Fixed field: Number field defined by a degree 80 polynomial

Values on generators

\((4159,1541,2817,3137)\) → \((1,e\left(\frac{15}{16}\right),-1,e\left(\frac{1}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)\(27\)
\( \chi_{ 4928 }(13, a) \) \(1\)\(1\)\(e\left(\frac{9}{80}\right)\)\(e\left(\frac{67}{80}\right)\)\(e\left(\frac{9}{40}\right)\)\(e\left(\frac{53}{80}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{13}{20}\right)\)\(e\left(\frac{29}{80}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{27}{40}\right)\)\(e\left(\frac{27}{80}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4928 }(13,a) \;\) at \(\;a = \) e.g. 2