Properties

Label 3840.109
Modulus $3840$
Conductor $1280$
Order $64$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3840, base_ring=CyclotomicField(64))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,55,0,32]))
 
pari: [g,chi] = znchar(Mod(109,3840))
 

Basic properties

Modulus: \(3840\)
Conductor: \(1280\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(64\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1280}(109,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3840.dx

\(\chi_{3840}(109,\cdot)\) \(\chi_{3840}(229,\cdot)\) \(\chi_{3840}(349,\cdot)\) \(\chi_{3840}(469,\cdot)\) \(\chi_{3840}(589,\cdot)\) \(\chi_{3840}(709,\cdot)\) \(\chi_{3840}(829,\cdot)\) \(\chi_{3840}(949,\cdot)\) \(\chi_{3840}(1069,\cdot)\) \(\chi_{3840}(1189,\cdot)\) \(\chi_{3840}(1309,\cdot)\) \(\chi_{3840}(1429,\cdot)\) \(\chi_{3840}(1549,\cdot)\) \(\chi_{3840}(1669,\cdot)\) \(\chi_{3840}(1789,\cdot)\) \(\chi_{3840}(1909,\cdot)\) \(\chi_{3840}(2029,\cdot)\) \(\chi_{3840}(2149,\cdot)\) \(\chi_{3840}(2269,\cdot)\) \(\chi_{3840}(2389,\cdot)\) \(\chi_{3840}(2509,\cdot)\) \(\chi_{3840}(2629,\cdot)\) \(\chi_{3840}(2749,\cdot)\) \(\chi_{3840}(2869,\cdot)\) \(\chi_{3840}(2989,\cdot)\) \(\chi_{3840}(3109,\cdot)\) \(\chi_{3840}(3229,\cdot)\) \(\chi_{3840}(3349,\cdot)\) \(\chi_{3840}(3469,\cdot)\) \(\chi_{3840}(3589,\cdot)\) ...

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: $\Q(\zeta_{64})$
Fixed field: Number field defined by a degree 64 polynomial

Values on generators

\((511,2821,2561,1537)\) → \((1,e\left(\frac{55}{64}\right),1,-1)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 3840 }(109, a) \) \(1\)\(1\)\(e\left(\frac{3}{32}\right)\)\(e\left(\frac{3}{64}\right)\)\(e\left(\frac{57}{64}\right)\)\(e\left(\frac{9}{16}\right)\)\(e\left(\frac{49}{64}\right)\)\(e\left(\frac{17}{32}\right)\)\(e\left(\frac{45}{64}\right)\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{63}{64}\right)\)\(e\left(\frac{9}{32}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3840 }(109,a) \;\) at \(\;a = \) e.g. 2