Properties

Label 3840.43
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([32,61,0,48]))
 
pari: [g,chi] = znchar(Mod(43,3840))
 

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 \(\chi_{1280}(43,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 3840.do

\(\chi_{3840}(43,\cdot)\) \(\chi_{3840}(67,\cdot)\) \(\chi_{3840}(283,\cdot)\) \(\chi_{3840}(307,\cdot)\) \(\chi_{3840}(523,\cdot)\) \(\chi_{3840}(547,\cdot)\) \(\chi_{3840}(763,\cdot)\) \(\chi_{3840}(787,\cdot)\) \(\chi_{3840}(1003,\cdot)\) \(\chi_{3840}(1027,\cdot)\) \(\chi_{3840}(1243,\cdot)\) \(\chi_{3840}(1267,\cdot)\) \(\chi_{3840}(1483,\cdot)\) \(\chi_{3840}(1507,\cdot)\) \(\chi_{3840}(1723,\cdot)\) \(\chi_{3840}(1747,\cdot)\) \(\chi_{3840}(1963,\cdot)\) \(\chi_{3840}(1987,\cdot)\) \(\chi_{3840}(2203,\cdot)\) \(\chi_{3840}(2227,\cdot)\) \(\chi_{3840}(2443,\cdot)\) \(\chi_{3840}(2467,\cdot)\) \(\chi_{3840}(2683,\cdot)\) \(\chi_{3840}(2707,\cdot)\) \(\chi_{3840}(2923,\cdot)\) \(\chi_{3840}(2947,\cdot)\) \(\chi_{3840}(3163,\cdot)\) \(\chi_{3840}(3187,\cdot)\) \(\chi_{3840}(3403,\cdot)\) \(\chi_{3840}(3427,\cdot)\) ...

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

\((511,2821,2561,1537)\) → \((-1,e\left(\frac{61}{64}\right),1,-i)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 3840 }(43, a) \) \(1\)\(1\)\(e\left(\frac{25}{32}\right)\)\(e\left(\frac{33}{64}\right)\)\(e\left(\frac{3}{64}\right)\)\(e\left(\frac{7}{16}\right)\)\(e\left(\frac{59}{64}\right)\)\(e\left(\frac{3}{32}\right)\)\(e\left(\frac{47}{64}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{37}{64}\right)\)\(e\left(\frac{3}{32}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3840 }(43,a) \;\) at \(\;a = \) e.g. 2