Properties

Label 817.615
Modulus $817$
Conductor $817$
Order $21$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(817, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([14,32]))
 
Copy content pari:[g,chi] = znchar(Mod(615,817))
 

Basic properties

Modulus: \(817\)
Conductor: \(817\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(21\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: yes
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 817.bn

\(\chi_{817}(182,\cdot)\) \(\chi_{817}(197,\cdot)\) \(\chi_{817}(239,\cdot)\) \(\chi_{817}(273,\cdot)\) \(\chi_{817}(296,\cdot)\) \(\chi_{817}(410,\cdot)\) \(\chi_{817}(444,\cdot)\) \(\chi_{817}(482,\cdot)\) \(\chi_{817}(615,\cdot)\) \(\chi_{817}(676,\cdot)\) \(\chi_{817}(748,\cdot)\) \(\chi_{817}(771,\cdot)\)

Copy content sage:chi.galois_orbit()
 
Copy content pari:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\zeta_{21})\)
Fixed field: 21.21.373181000690273382911499008901975594970451729658121.1

Values on generators

\((173,476)\) → \((e\left(\frac{1}{3}\right),e\left(\frac{16}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 817 }(615, a) \) \(1\)\(1\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{2}{21}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{8}{21}\right)\)\(1\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{6}{7}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 817 }(615,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

Copy content sage:chi.gauss_sum(a)
 
Copy content pari:znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 817 }(615,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

Copy content sage:chi.jacobi_sum(n)
 
\( J(\chi_{ 817 }(615,·),\chi_{ 817 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

Copy content sage:chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 817 }(615,·)) \;\) at \(\; a,b = \) e.g. 1,2