Properties

Label 1425.16
Modulus $1425$
Conductor $475$
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(1425, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,18,20]))
 
pari: [g,chi] = znchar(Mod(16,1425))
 

Basic properties

Modulus: \(1425\)
Conductor: \(475\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(45\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{475}(16,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1425.ce

\(\chi_{1425}(16,\cdot)\) \(\chi_{1425}(61,\cdot)\) \(\chi_{1425}(196,\cdot)\) \(\chi_{1425}(256,\cdot)\) \(\chi_{1425}(271,\cdot)\) \(\chi_{1425}(346,\cdot)\) \(\chi_{1425}(481,\cdot)\) \(\chi_{1425}(511,\cdot)\) \(\chi_{1425}(541,\cdot)\) \(\chi_{1425}(556,\cdot)\) \(\chi_{1425}(586,\cdot)\) \(\chi_{1425}(631,\cdot)\) \(\chi_{1425}(766,\cdot)\) \(\chi_{1425}(796,\cdot)\) \(\chi_{1425}(841,\cdot)\) \(\chi_{1425}(871,\cdot)\) \(\chi_{1425}(916,\cdot)\) \(\chi_{1425}(1081,\cdot)\) \(\chi_{1425}(1111,\cdot)\) \(\chi_{1425}(1156,\cdot)\) \(\chi_{1425}(1336,\cdot)\) \(\chi_{1425}(1366,\cdot)\) \(\chi_{1425}(1396,\cdot)\) \(\chi_{1425}(1411,\cdot)\)

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

\((476,1027,1351)\) → \((1,e\left(\frac{1}{5}\right),e\left(\frac{2}{9}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(11\)\(13\)\(14\)\(16\)\(17\)\(22\)
\( \chi_{ 1425 }(16, a) \) \(1\)\(1\)\(e\left(\frac{19}{45}\right)\)\(e\left(\frac{38}{45}\right)\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{4}{15}\right)\)\(e\left(\frac{13}{15}\right)\)\(e\left(\frac{41}{45}\right)\)\(e\left(\frac{34}{45}\right)\)\(e\left(\frac{31}{45}\right)\)\(e\left(\frac{37}{45}\right)\)\(e\left(\frac{13}{45}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1425 }(16,a) \;\) at \(\;a = \) e.g. 2