Properties

Label 784.11
Modulus $784$
Conductor $784$
Order $84$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(784, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([42,21,80]))
 
pari: [g,chi] = znchar(Mod(11,784))
 

Basic properties

Modulus: \(784\)
Conductor: \(784\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 784.bv

\(\chi_{784}(11,\cdot)\) \(\chi_{784}(51,\cdot)\) \(\chi_{784}(107,\cdot)\) \(\chi_{784}(123,\cdot)\) \(\chi_{784}(163,\cdot)\) \(\chi_{784}(179,\cdot)\) \(\chi_{784}(219,\cdot)\) \(\chi_{784}(235,\cdot)\) \(\chi_{784}(291,\cdot)\) \(\chi_{784}(331,\cdot)\) \(\chi_{784}(347,\cdot)\) \(\chi_{784}(387,\cdot)\) \(\chi_{784}(403,\cdot)\) \(\chi_{784}(443,\cdot)\) \(\chi_{784}(499,\cdot)\) \(\chi_{784}(515,\cdot)\) \(\chi_{784}(555,\cdot)\) \(\chi_{784}(571,\cdot)\) \(\chi_{784}(611,\cdot)\) \(\chi_{784}(627,\cdot)\) \(\chi_{784}(683,\cdot)\) \(\chi_{784}(723,\cdot)\) \(\chi_{784}(739,\cdot)\) \(\chi_{784}(779,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((687,197,689)\) → \((-1,i,e\left(\frac{20}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 784 }(11, a) \) \(-1\)\(1\)\(e\left(\frac{17}{84}\right)\)\(e\left(\frac{73}{84}\right)\)\(e\left(\frac{17}{42}\right)\)\(e\left(\frac{71}{84}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{1}{14}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{31}{42}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 784 }(11,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 784 }(11,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 784 }(11,·),\chi_{ 784 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 784 }(11,·)) \;\) at \(\; a,b = \) e.g. 1,2