Properties

Label 9405.16
Modulus $9405$
Conductor $1881$
Order $45$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(9405, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([60,0,36,20]))
 
pari: [g,chi] = znchar(Mod(16,9405))
 

Basic properties

Modulus: \(9405\)
Conductor: \(1881\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(45\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1881}(16,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 9405.ku

\(\chi_{9405}(16,\cdot)\) \(\chi_{9405}(256,\cdot)\) \(\chi_{9405}(346,\cdot)\) \(\chi_{9405}(511,\cdot)\) \(\chi_{9405}(1336,\cdot)\) \(\chi_{9405}(1411,\cdot)\) \(\chi_{9405}(2821,\cdot)\) \(\chi_{9405}(3436,\cdot)\) \(\chi_{9405}(3766,\cdot)\) \(\chi_{9405}(3931,\cdot)\) \(\chi_{9405}(3976,\cdot)\) \(\chi_{9405}(4756,\cdot)\) \(\chi_{9405}(5146,\cdot)\) \(\chi_{9405}(5476,\cdot)\) \(\chi_{9405}(5641,\cdot)\) \(\chi_{9405}(6241,\cdot)\) \(\chi_{9405}(6466,\cdot)\) \(\chi_{9405}(6856,\cdot)\) \(\chi_{9405}(7186,\cdot)\) \(\chi_{9405}(7351,\cdot)\) \(\chi_{9405}(7396,\cdot)\) \(\chi_{9405}(7951,\cdot)\) \(\chi_{9405}(8176,\cdot)\) \(\chi_{9405}(9106,\cdot)\)

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 45 polynomial

Values on generators

\((1046,1882,5986,496)\) → \((e\left(\frac{2}{3}\right),1,e\left(\frac{2}{5}\right),e\left(\frac{2}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(17\)\(23\)\(26\)
\( \chi_{ 9405 }(16, a) \) \(1\)\(1\)\(e\left(\frac{13}{45}\right)\)\(e\left(\frac{26}{45}\right)\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{13}{15}\right)\)\(e\left(\frac{38}{45}\right)\)\(e\left(\frac{4}{45}\right)\)\(e\left(\frac{7}{45}\right)\)\(e\left(\frac{37}{45}\right)\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{2}{15}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 9405 }(16,a) \;\) at \(\;a = \) e.g. 2