Properties

Label 287.178
Modulus $287$
Conductor $287$
Order $24$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(287, base_ring=CyclotomicField(24))
 
M = H._module
 
chi = DirichletCharacter(H, M([4,15]))
 
pari: [g,chi] = znchar(Mod(178,287))
 

Basic properties

Modulus: \(287\)
Conductor: \(287\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(24\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 287.w

\(\chi_{287}(3,\cdot)\) \(\chi_{287}(38,\cdot)\) \(\chi_{287}(68,\cdot)\) \(\chi_{287}(96,\cdot)\) \(\chi_{287}(150,\cdot)\) \(\chi_{287}(178,\cdot)\) \(\chi_{287}(208,\cdot)\) \(\chi_{287}(243,\cdot)\)

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: \(\Q(\zeta_{24})\)
Fixed field: 24.24.589415824352273084266952490343550409844469452348841.1

Values on generators

\((206,211)\) → \((e\left(\frac{1}{6}\right),e\left(\frac{5}{8}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(11\)\(12\)
\( \chi_{ 287 }(178, a) \) \(1\)\(1\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{13}{24}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{1}{8}\right)\)\(-i\)\(e\left(\frac{1}{12}\right)\)\(e\left(\frac{1}{6}\right)\)\(e\left(\frac{13}{24}\right)\)\(e\left(\frac{17}{24}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 287 }(178,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 287 }(178,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 287 }(178,·),\chi_{ 287 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 287 }(178,·)) \;\) at \(\; a,b = \) e.g. 1,2