Properties

Conductor 13
Order 3
Real No
Primitive No
Parity Even
Orbit Label 65.e

Related objects

Learn more about

Show commands for: SageMath / Pari/GP
sage: from dirichlet_conrey import DirichletGroup_conrey # requires nonstandard Sage package to be installed
 
sage: H = DirichletGroup_conrey(65)
 
sage: chi = H[16]
 
pari: [g,chi] = znchar(Mod(16,65))
 

Basic properties

sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Conductor = 13
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Order = 3
Real = No
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1 \\ if not primitive returns [cond,factorization]
 
Primitive = No
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 
Parity = Even
Orbit label = 65.e
Orbit index = 5

Galois orbit

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

\(\chi_{65}(16,\cdot)\) \(\chi_{65}(61,\cdot)\)

Inducing primitive character

\(\chi_{13}(3,\cdot)\)

Values on generators

\((27,41)\) → \((1,e\left(\frac{1}{3}\right))\)

Values

-112346789111214
\(1\)\(1\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{2}{3}\right)\)\(1\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{1}{3}\right)\)\(1\)\(1\)
value at  e.g. 2

Related number fields

Field of values \(\Q(\zeta_{3})\)

Gauss sum

sage: chi.sage_character().gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 65 }(16,·) )\;\) at \(\;a = \) e.g. 2
\(\displaystyle \tau_{2}(\chi_{65}(16,\cdot)) = \sum_{r\in \Z/65\Z} \chi_{65}(16,r) e\left(\frac{2r}{65}\right) = -2.565804281+2.5331104184i \)

Jacobi sum

sage: chi.sage_character().jacobi_sum(n)
 
\( J(\chi_{ 65 }(16,·),\chi_{ 65 }(n,·)) \;\) for \( \; n = \) e.g. 1
\( \displaystyle J(\chi_{65}(16,\cdot),\chi_{65}(1,\cdot)) = \sum_{r\in \Z/65\Z} \chi_{65}(16,r) \chi_{65}(1,1-r) = -3 \)

Kloosterman sum

sage: chi.sage_character().kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 65 }(16,·)) \;\) at \(\; a,b = \) e.g. 1,2
\( \displaystyle K(1,2,\chi_{65}(16,·)) = \sum_{r \in \Z/65\Z} \chi_{65}(16,r) e\left(\frac{1 r + 2 r^{-1}}{65}\right) = 1.4986674202+2.5957681155i \)