Properties

Label 3520.1869
Modulus $3520$
Conductor $3520$
Order $16$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3520, base_ring=CyclotomicField(16))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,15,8,8]))
 
pari: [g,chi] = znchar(Mod(1869,3520))
 

Basic properties

Modulus: \(3520\)
Conductor: \(3520\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(16\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3520.db

\(\chi_{3520}(109,\cdot)\) \(\chi_{3520}(549,\cdot)\) \(\chi_{3520}(989,\cdot)\) \(\chi_{3520}(1429,\cdot)\) \(\chi_{3520}(1869,\cdot)\) \(\chi_{3520}(2309,\cdot)\) \(\chi_{3520}(2749,\cdot)\) \(\chi_{3520}(3189,\cdot)\)

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: 16.0.50614059746992140843744021708800000000.1

Values on generators

\((2751,1541,2817,321)\) → \((1,e\left(\frac{15}{16}\right),-1,-1)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 3520 }(1869, a) \) \(-1\)\(1\)\(e\left(\frac{5}{16}\right)\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{1}{16}\right)\)\(i\)\(e\left(\frac{1}{16}\right)\)\(e\left(\frac{11}{16}\right)\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{13}{16}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3520 }(1869,a) \;\) at \(\;a = \) e.g. 2