Properties

Label 4800.19
Modulus $4800$
Conductor $1600$
Order $80$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4800, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([40,35,0,72]))
 
pari: [g,chi] = znchar(Mod(19,4800))
 

Basic properties

Modulus: \(4800\)
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 \(\chi_{1600}(19,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4800.fd

\(\chi_{4800}(19,\cdot)\) \(\chi_{4800}(139,\cdot)\) \(\chi_{4800}(259,\cdot)\) \(\chi_{4800}(379,\cdot)\) \(\chi_{4800}(619,\cdot)\) \(\chi_{4800}(739,\cdot)\) \(\chi_{4800}(859,\cdot)\) \(\chi_{4800}(979,\cdot)\) \(\chi_{4800}(1219,\cdot)\) \(\chi_{4800}(1339,\cdot)\) \(\chi_{4800}(1459,\cdot)\) \(\chi_{4800}(1579,\cdot)\) \(\chi_{4800}(1819,\cdot)\) \(\chi_{4800}(1939,\cdot)\) \(\chi_{4800}(2059,\cdot)\) \(\chi_{4800}(2179,\cdot)\) \(\chi_{4800}(2419,\cdot)\) \(\chi_{4800}(2539,\cdot)\) \(\chi_{4800}(2659,\cdot)\) \(\chi_{4800}(2779,\cdot)\) \(\chi_{4800}(3019,\cdot)\) \(\chi_{4800}(3139,\cdot)\) \(\chi_{4800}(3259,\cdot)\) \(\chi_{4800}(3379,\cdot)\) \(\chi_{4800}(3619,\cdot)\) \(\chi_{4800}(3739,\cdot)\) \(\chi_{4800}(3859,\cdot)\) \(\chi_{4800}(3979,\cdot)\) \(\chi_{4800}(4219,\cdot)\) \(\chi_{4800}(4339,\cdot)\) ...

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

\((4351,901,1601,577)\) → \((-1,e\left(\frac{7}{16}\right),1,e\left(\frac{9}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)
\( \chi_{ 4800 }(19, a) \) \(-1\)\(1\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{7}{80}\right)\)\(e\left(\frac{53}{80}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{61}{80}\right)\)\(e\left(\frac{21}{40}\right)\)\(e\left(\frac{49}{80}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{3}{80}\right)\)\(e\left(\frac{29}{40}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4800 }(19,a) \;\) at \(\;a = \) e.g. 2