Properties

Label 2736.127
Modulus $2736$
Conductor $76$
Order $18$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2736, base_ring=CyclotomicField(18))
 
M = H._module
 
chi = DirichletCharacter(H, M([9,0,0,5]))
 
pari: [g,chi] = znchar(Mod(127,2736))
 

Basic properties

Modulus: \(2736\)
Conductor: \(76\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(18\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{76}(51,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2736.fx

\(\chi_{2736}(127,\cdot)\) \(\chi_{2736}(991,\cdot)\) \(\chi_{2736}(1135,\cdot)\) \(\chi_{2736}(2143,\cdot)\) \(\chi_{2736}(2575,\cdot)\) \(\chi_{2736}(2719,\cdot)\)

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: \(\Q(\zeta_{9})\)
Fixed field: \(\Q(\zeta_{76})^+\)

Values on generators

\((1711,2053,1217,1009)\) → \((-1,1,1,e\left(\frac{5}{18}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(23\)\(25\)\(29\)\(31\)\(35\)
\( \chi_{ 2736 }(127, a) \) \(1\)\(1\)\(e\left(\frac{4}{9}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{7}{18}\right)\)\(e\left(\frac{7}{9}\right)\)\(e\left(\frac{1}{18}\right)\)\(e\left(\frac{8}{9}\right)\)\(e\left(\frac{13}{18}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{11}{18}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2736 }(127,a) \;\) at \(\;a = \) e.g. 2