Properties

Label 1600.19
Modulus $1600$
Conductor $1600$
Order $80$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1600, base_ring=CyclotomicField(80))
 
M = H._module
 
chi = DirichletCharacter(H, M([40,35,72]))
 
pari: [g,chi] = znchar(Mod(19,1600))
 

Basic properties

Modulus: \(1600\)
Conductor: \(1600\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(80\)
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 1600.co

\(\chi_{1600}(19,\cdot)\) \(\chi_{1600}(59,\cdot)\) \(\chi_{1600}(139,\cdot)\) \(\chi_{1600}(179,\cdot)\) \(\chi_{1600}(219,\cdot)\) \(\chi_{1600}(259,\cdot)\) \(\chi_{1600}(339,\cdot)\) \(\chi_{1600}(379,\cdot)\) \(\chi_{1600}(419,\cdot)\) \(\chi_{1600}(459,\cdot)\) \(\chi_{1600}(539,\cdot)\) \(\chi_{1600}(579,\cdot)\) \(\chi_{1600}(619,\cdot)\) \(\chi_{1600}(659,\cdot)\) \(\chi_{1600}(739,\cdot)\) \(\chi_{1600}(779,\cdot)\) \(\chi_{1600}(819,\cdot)\) \(\chi_{1600}(859,\cdot)\) \(\chi_{1600}(939,\cdot)\) \(\chi_{1600}(979,\cdot)\) \(\chi_{1600}(1019,\cdot)\) \(\chi_{1600}(1059,\cdot)\) \(\chi_{1600}(1139,\cdot)\) \(\chi_{1600}(1179,\cdot)\) \(\chi_{1600}(1219,\cdot)\) \(\chi_{1600}(1259,\cdot)\) \(\chi_{1600}(1339,\cdot)\) \(\chi_{1600}(1379,\cdot)\) \(\chi_{1600}(1419,\cdot)\) \(\chi_{1600}(1459,\cdot)\) ...

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

\((1151,901,577)\) → \((-1,e\left(\frac{7}{16}\right),e\left(\frac{9}{10}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 1600 }(19, a) \) \(-1\)\(1\)\(e\left(\frac{9}{80}\right)\)\(e\left(\frac{3}{8}\right)\)\(e\left(\frac{9}{40}\right)\)\(e\left(\frac{7}{80}\right)\)\(e\left(\frac{53}{80}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{61}{80}\right)\)\(e\left(\frac{39}{80}\right)\)\(e\left(\frac{21}{40}\right)\)\(e\left(\frac{27}{80}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1600 }(19,a) \;\) at \(\;a = \) e.g. 2