Properties

Label 1575.418
Modulus $1575$
Conductor $315$
Order $12$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1575, base_ring=CyclotomicField(12))
 
M = H._module
 
chi = DirichletCharacter(H, M([4,9,10]))
 
pari: [g,chi] = znchar(Mod(418,1575))
 

Basic properties

Modulus: \(1575\)
Conductor: \(315\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(12\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{315}(103,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1575.ca

\(\chi_{1575}(418,\cdot)\) \(\chi_{1575}(493,\cdot)\) \(\chi_{1575}(607,\cdot)\) \(\chi_{1575}(682,\cdot)\)

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: \(\Q(\zeta_{12})\)
Fixed field: 12.12.23749283658415095703125.1

Values on generators

\((1226,127,451)\) → \((e\left(\frac{1}{3}\right),-i,e\left(\frac{5}{6}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(8\)\(11\)\(13\)\(16\)\(17\)\(19\)\(22\)\(23\)
\( \chi_{ 1575 }(418, a) \) \(1\)\(1\)\(-i\)\(-1\)\(i\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{5}{12}\right)\)\(1\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{5}{12}\right)\)\(e\left(\frac{7}{12}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1575 }(418,a) \;\) at \(\;a = \) e.g. 2