Properties

Label 1900.71
Modulus $1900$
Conductor $1900$
Order $90$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1900, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([45,54,35]))
 
pari: [g,chi] = znchar(Mod(71,1900))
 

Basic properties

Modulus: \(1900\)
Conductor: \(1900\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(90\)
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 1900.cn

\(\chi_{1900}(71,\cdot)\) \(\chi_{1900}(91,\cdot)\) \(\chi_{1900}(211,\cdot)\) \(\chi_{1900}(231,\cdot)\) \(\chi_{1900}(371,\cdot)\) \(\chi_{1900}(431,\cdot)\) \(\chi_{1900}(471,\cdot)\) \(\chi_{1900}(591,\cdot)\) \(\chi_{1900}(611,\cdot)\) \(\chi_{1900}(811,\cdot)\) \(\chi_{1900}(831,\cdot)\) \(\chi_{1900}(971,\cdot)\) \(\chi_{1900}(991,\cdot)\) \(\chi_{1900}(1131,\cdot)\) \(\chi_{1900}(1191,\cdot)\) \(\chi_{1900}(1211,\cdot)\) \(\chi_{1900}(1231,\cdot)\) \(\chi_{1900}(1371,\cdot)\) \(\chi_{1900}(1511,\cdot)\) \(\chi_{1900}(1571,\cdot)\) \(\chi_{1900}(1591,\cdot)\) \(\chi_{1900}(1611,\cdot)\) \(\chi_{1900}(1731,\cdot)\) \(\chi_{1900}(1891,\cdot)\)

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: $\Q(\zeta_{45})$
Fixed field: Number field defined by a degree 90 polynomial

Values on generators

\((951,77,401)\) → \((-1,e\left(\frac{3}{5}\right),e\left(\frac{7}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(21\)\(23\)\(27\)\(29\)
\( \chi_{ 1900 }(71, a) \) \(1\)\(1\)\(e\left(\frac{34}{45}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{23}{45}\right)\)\(e\left(\frac{23}{30}\right)\)\(e\left(\frac{31}{90}\right)\)\(e\left(\frac{31}{45}\right)\)\(e\left(\frac{53}{90}\right)\)\(e\left(\frac{79}{90}\right)\)\(e\left(\frac{4}{15}\right)\)\(e\left(\frac{73}{90}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1900 }(71,a) \;\) at \(\;a = \) e.g. 2