Properties

Label 1380.1211
Modulus $1380$
Conductor $276$
Order $22$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1380, base_ring=CyclotomicField(22))
 
M = H._module
 
chi = DirichletCharacter(H, M([11,11,0,17]))
 
pari: [g,chi] = znchar(Mod(1211,1380))
 

Basic properties

Modulus: \(1380\)
Conductor: \(276\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(22\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{276}(107,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1380.bc

\(\chi_{1380}(11,\cdot)\) \(\chi_{1380}(191,\cdot)\) \(\chi_{1380}(251,\cdot)\) \(\chi_{1380}(431,\cdot)\) \(\chi_{1380}(911,\cdot)\) \(\chi_{1380}(971,\cdot)\) \(\chi_{1380}(1031,\cdot)\) \(\chi_{1380}(1091,\cdot)\) \(\chi_{1380}(1211,\cdot)\) \(\chi_{1380}(1331,\cdot)\)

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: \(\Q(\zeta_{11})\)
Fixed field: 22.0.29327717405992286110481815659381862170624.1

Values on generators

\((691,461,277,1201)\) → \((-1,-1,1,e\left(\frac{17}{22}\right))\)

First values

\(a\) \(-1\)\(1\)\(7\)\(11\)\(13\)\(17\)\(19\)\(29\)\(31\)\(37\)\(41\)\(43\)
\( \chi_{ 1380 }(1211, a) \) \(-1\)\(1\)\(e\left(\frac{2}{11}\right)\)\(e\left(\frac{21}{22}\right)\)\(e\left(\frac{9}{11}\right)\)\(e\left(\frac{10}{11}\right)\)\(e\left(\frac{1}{11}\right)\)\(e\left(\frac{9}{22}\right)\)\(e\left(\frac{3}{22}\right)\)\(e\left(\frac{5}{22}\right)\)\(e\left(\frac{17}{22}\right)\)\(e\left(\frac{4}{11}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1380 }(1211,a) \;\) at \(\;a = \) e.g. 2