Properties

Label 3840.869
Modulus $3840$
Conductor $3840$
Order $64$
Real no
Primitive yes
Minimal yes
Parity odd

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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([0,9,32,32]))
 
pari: [g,chi] = znchar(Mod(869,3840))
 

Basic properties

Modulus: \(3840\)
Conductor: \(3840\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(64\)
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 3840.dy

\(\chi_{3840}(29,\cdot)\) \(\chi_{3840}(149,\cdot)\) \(\chi_{3840}(269,\cdot)\) \(\chi_{3840}(389,\cdot)\) \(\chi_{3840}(509,\cdot)\) \(\chi_{3840}(629,\cdot)\) \(\chi_{3840}(749,\cdot)\) \(\chi_{3840}(869,\cdot)\) \(\chi_{3840}(989,\cdot)\) \(\chi_{3840}(1109,\cdot)\) \(\chi_{3840}(1229,\cdot)\) \(\chi_{3840}(1349,\cdot)\) \(\chi_{3840}(1469,\cdot)\) \(\chi_{3840}(1589,\cdot)\) \(\chi_{3840}(1709,\cdot)\) \(\chi_{3840}(1829,\cdot)\) \(\chi_{3840}(1949,\cdot)\) \(\chi_{3840}(2069,\cdot)\) \(\chi_{3840}(2189,\cdot)\) \(\chi_{3840}(2309,\cdot)\) \(\chi_{3840}(2429,\cdot)\) \(\chi_{3840}(2549,\cdot)\) \(\chi_{3840}(2669,\cdot)\) \(\chi_{3840}(2789,\cdot)\) \(\chi_{3840}(2909,\cdot)\) \(\chi_{3840}(3029,\cdot)\) \(\chi_{3840}(3149,\cdot)\) \(\chi_{3840}(3269,\cdot)\) \(\chi_{3840}(3389,\cdot)\) \(\chi_{3840}(3509,\cdot)\) ...

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

\((511,2821,2561,1537)\) → \((1,e\left(\frac{9}{64}\right),-1,-1)\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 3840 }(869, a) \) \(-1\)\(1\)\(e\left(\frac{29}{32}\right)\)\(e\left(\frac{29}{64}\right)\)\(e\left(\frac{7}{64}\right)\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{15}{64}\right)\)\(e\left(\frac{31}{32}\right)\)\(e\left(\frac{51}{64}\right)\)\(e\left(\frac{1}{8}\right)\)\(e\left(\frac{1}{64}\right)\)\(e\left(\frac{7}{32}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 3840 }(869,a) \;\) at \(\;a = \) e.g. 2