Properties

Label 6400.47
Modulus $6400$
Conductor $1600$
Order $80$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(6400, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([40,55,68]))
 
pari: [g,chi] = znchar(Mod(47,6400))
 

Basic properties

Modulus: \(6400\)
Conductor: \(1600\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(80\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1600}(547,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 6400.di

\(\chi_{6400}(47,\cdot)\) \(\chi_{6400}(367,\cdot)\) \(\chi_{6400}(463,\cdot)\) \(\chi_{6400}(687,\cdot)\) \(\chi_{6400}(783,\cdot)\) \(\chi_{6400}(1103,\cdot)\) \(\chi_{6400}(1327,\cdot)\) \(\chi_{6400}(1423,\cdot)\) \(\chi_{6400}(1647,\cdot)\) \(\chi_{6400}(1967,\cdot)\) \(\chi_{6400}(2063,\cdot)\) \(\chi_{6400}(2287,\cdot)\) \(\chi_{6400}(2383,\cdot)\) \(\chi_{6400}(2703,\cdot)\) \(\chi_{6400}(2927,\cdot)\) \(\chi_{6400}(3023,\cdot)\) \(\chi_{6400}(3247,\cdot)\) \(\chi_{6400}(3567,\cdot)\) \(\chi_{6400}(3663,\cdot)\) \(\chi_{6400}(3887,\cdot)\) \(\chi_{6400}(3983,\cdot)\) \(\chi_{6400}(4303,\cdot)\) \(\chi_{6400}(4527,\cdot)\) \(\chi_{6400}(4623,\cdot)\) \(\chi_{6400}(4847,\cdot)\) \(\chi_{6400}(5167,\cdot)\) \(\chi_{6400}(5263,\cdot)\) \(\chi_{6400}(5487,\cdot)\) \(\chi_{6400}(5583,\cdot)\) \(\chi_{6400}(5903,\cdot)\) ...

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: $\Q(\zeta_{80})$
Fixed field: Number field defined by a degree 80 polynomial

Values on generators

\((4351,4101,5377)\) → \((-1,e\left(\frac{11}{16}\right),e\left(\frac{17}{20}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 6400 }(47, a) \) \(1\)\(1\)\(e\left(\frac{41}{80}\right)\)\(e\left(\frac{5}{8}\right)\)\(e\left(\frac{1}{40}\right)\)\(e\left(\frac{43}{80}\right)\)\(e\left(\frac{37}{80}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{49}{80}\right)\)\(e\left(\frac{11}{80}\right)\)\(e\left(\frac{19}{40}\right)\)\(e\left(\frac{43}{80}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 6400 }(47,a) \;\) at \(\;a = \) e.g. 2