Properties

Label 9900.8891
Modulus $9900$
Conductor $3300$
Order $10$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(9900, base_ring=CyclotomicField(10))
 
M = H._module
 
chi = DirichletCharacter(H, M([5,5,2,8]))
 
pari: [g,chi] = znchar(Mod(8891,9900))
 

Basic properties

Modulus: \(9900\)
Conductor: \(3300\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(10\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{3300}(2291,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 9900.dx

\(\chi_{9900}(71,\cdot)\) \(\chi_{9900}(1511,\cdot)\) \(\chi_{9900}(2231,\cdot)\) \(\chi_{9900}(8891,\cdot)\)

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: \(\Q(\zeta_{5})\)
Fixed field: 10.10.8138938762968750000000000.1

Values on generators

\((4951,5501,2377,4501)\) → \((-1,-1,e\left(\frac{1}{5}\right),e\left(\frac{4}{5}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(13\)\(17\)\(19\)\(23\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 9900 }(8891, a) \) \(1\)\(1\)\(e\left(\frac{1}{10}\right)\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{3}{10}\right)\)\(-1\)\(e\left(\frac{1}{5}\right)\)\(-1\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{2}{5}\right)\)\(e\left(\frac{7}{10}\right)\)\(-1\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 9900 }(8891,a) \;\) at \(\;a = \) e.g. 2