Properties

Label 816.725
Modulus $816$
Conductor $816$
Order $16$
Real no
Primitive yes
Minimal yes
Parity even

Related objects

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(816, base_ring=CyclotomicField(16)) M = H._module chi = DirichletCharacter(H, M([0,4,8,7]))
 
Copy content pari:[g,chi] = znchar(Mod(725,816))
 

Basic properties

Modulus: \(816\)
Conductor: \(816\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(16\)
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 816.cf

\(\chi_{816}(29,\cdot)\) \(\chi_{816}(173,\cdot)\) \(\chi_{816}(197,\cdot)\) \(\chi_{816}(245,\cdot)\) \(\chi_{816}(269,\cdot)\) \(\chi_{816}(413,\cdot)\) \(\chi_{816}(533,\cdot)\) \(\chi_{816}(725,\cdot)\)

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: \(\Q(\zeta_{16})\)
Fixed field: 16.16.330387545600365800521582857754247168.2

Values on generators

\((511,613,545,241)\) → \((1,i,-1,e\left(\frac{7}{16}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(19\)\(23\)\(25\)\(29\)\(31\)\(35\)
\( \chi_{ 816 }(725, a) \) \(1\)\(1\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{5}{16}\right)\)\(e\left(\frac{13}{16}\right)\)\(-1\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{9}{16}\right)\)\(e\left(\frac{7}{8}\right)\)\(e\left(\frac{15}{16}\right)\)\(e\left(\frac{15}{16}\right)\)\(i\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 816 }(725,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

Copy content sage:chi.gauss_sum(a)
 
Copy content pari:znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 816 }(725,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

Copy content sage:chi.jacobi_sum(n)
 
\( J(\chi_{ 816 }(725,·),\chi_{ 816 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

Copy content sage:chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 816 }(725,·)) \;\) at \(\; a,b = \) e.g. 1,2