Properties

Label 1601.31
Modulus $1601$
Conductor $1601$
Order $100$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1601, base_ring=CyclotomicField(100))
 
M = H._module
 
chi = DirichletCharacter(H, M([19]))
 
pari: [g,chi] = znchar(Mod(31,1601))
 

Basic properties

Modulus: \(1601\)
Conductor: \(1601\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(100\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1601.o

\(\chi_{1601}(16,\cdot)\) \(\chi_{1601}(31,\cdot)\) \(\chi_{1601}(53,\cdot)\) \(\chi_{1601}(100,\cdot)\) \(\chi_{1601}(250,\cdot)\) \(\chi_{1601}(290,\cdot)\) \(\chi_{1601}(299,\cdot)\) \(\chi_{1601}(589,\cdot)\) \(\chi_{1601}(594,\cdot)\) \(\chi_{1601}(603,\cdot)\) \(\chi_{1601}(625,\cdot)\) \(\chi_{1601}(628,\cdot)\) \(\chi_{1601}(634,\cdot)\) \(\chi_{1601}(668,\cdot)\) \(\chi_{1601}(672,\cdot)\) \(\chi_{1601}(707,\cdot)\) \(\chi_{1601}(723,\cdot)\) \(\chi_{1601}(725,\cdot)\) \(\chi_{1601}(760,\cdot)\) \(\chi_{1601}(762,\cdot)\) \(\chi_{1601}(839,\cdot)\) \(\chi_{1601}(841,\cdot)\) \(\chi_{1601}(876,\cdot)\) \(\chi_{1601}(878,\cdot)\) \(\chi_{1601}(894,\cdot)\) \(\chi_{1601}(929,\cdot)\) \(\chi_{1601}(933,\cdot)\) \(\chi_{1601}(967,\cdot)\) \(\chi_{1601}(973,\cdot)\) \(\chi_{1601}(976,\cdot)\) ...

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: $\Q(\zeta_{100})$
Fixed field: Number field defined by a degree 100 polynomial

Values on generators

\(3\) → \(e\left(\frac{19}{100}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 1601 }(31, a) \) \(1\)\(1\)\(e\left(\frac{22}{25}\right)\)\(e\left(\frac{19}{100}\right)\)\(e\left(\frac{19}{25}\right)\)\(e\left(\frac{9}{25}\right)\)\(e\left(\frac{7}{100}\right)\)\(e\left(\frac{53}{100}\right)\)\(e\left(\frac{16}{25}\right)\)\(e\left(\frac{19}{50}\right)\)\(e\left(\frac{6}{25}\right)\)\(e\left(\frac{27}{100}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1601 }(31,a) \;\) at \(\;a = \) e.g. 2