Properties

Label 1280.53
Modulus $1280$
Conductor $1280$
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(1280, base_ring=CyclotomicField(64))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,5,48]))
 
pari: [g,chi] = znchar(Mod(53,1280))
 

Basic properties

Modulus: \(1280\)
Conductor: \(1280\)
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 1280.bs

\(\chi_{1280}(53,\cdot)\) \(\chi_{1280}(77,\cdot)\) \(\chi_{1280}(133,\cdot)\) \(\chi_{1280}(157,\cdot)\) \(\chi_{1280}(213,\cdot)\) \(\chi_{1280}(237,\cdot)\) \(\chi_{1280}(293,\cdot)\) \(\chi_{1280}(317,\cdot)\) \(\chi_{1280}(373,\cdot)\) \(\chi_{1280}(397,\cdot)\) \(\chi_{1280}(453,\cdot)\) \(\chi_{1280}(477,\cdot)\) \(\chi_{1280}(533,\cdot)\) \(\chi_{1280}(557,\cdot)\) \(\chi_{1280}(613,\cdot)\) \(\chi_{1280}(637,\cdot)\) \(\chi_{1280}(693,\cdot)\) \(\chi_{1280}(717,\cdot)\) \(\chi_{1280}(773,\cdot)\) \(\chi_{1280}(797,\cdot)\) \(\chi_{1280}(853,\cdot)\) \(\chi_{1280}(877,\cdot)\) \(\chi_{1280}(933,\cdot)\) \(\chi_{1280}(957,\cdot)\) \(\chi_{1280}(1013,\cdot)\) \(\chi_{1280}(1037,\cdot)\) \(\chi_{1280}(1093,\cdot)\) \(\chi_{1280}(1117,\cdot)\) \(\chi_{1280}(1173,\cdot)\) \(\chi_{1280}(1197,\cdot)\) ...

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

\((511,261,257)\) → \((1,e\left(\frac{5}{64}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 1280 }(53, a) \) \(-1\)\(1\)\(e\left(\frac{63}{64}\right)\)\(e\left(\frac{17}{32}\right)\)\(e\left(\frac{31}{32}\right)\)\(e\left(\frac{41}{64}\right)\)\(e\left(\frac{59}{64}\right)\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{19}{64}\right)\)\(e\left(\frac{33}{64}\right)\)\(e\left(\frac{11}{32}\right)\)\(e\left(\frac{61}{64}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1280 }(53,a) \;\) at \(\;a = \) e.g. 2