Properties

Label 1480.23
Modulus $1480$
Conductor $740$
Order $12$
Real no
Primitive no
Minimal no
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1480, base_ring=CyclotomicField(12))
 
M = H._module
 
chi = DirichletCharacter(H, M([6,0,9,5]))
 
pari: [g,chi] = znchar(Mod(23,1480))
 

Basic properties

Modulus: \(1480\)
Conductor: \(740\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(12\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{740}(23,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1480.cx

\(\chi_{1480}(23,\cdot)\) \(\chi_{1480}(1087,\cdot)\) \(\chi_{1480}(1287,\cdot)\) \(\chi_{1480}(1303,\cdot)\)

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: 12.0.1423340974235683304000000000.2

Values on generators

\((1111,741,297,1001)\) → \((-1,1,-i,e\left(\frac{5}{12}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 1480 }(23, a) \) \(-1\)\(1\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{1}{6}\right)\)\(1\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{1}{6}\right)\)\(1\)\(-i\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1480 }(23,a) \;\) at \(\;a = \) e.g. 2