# Properties

 Conductor 3 Order 2 Real yes Primitive no Minimal yes Parity odd Orbit label 69.b

# Related objects

Show commands for: Pari/GP / SageMath
sage: from dirichlet_conrey import DirichletGroup_conrey # requires nonstandard Sage package to be installed

sage: H = DirichletGroup_conrey(69)

sage: chi = H[47]

pari: [g,chi] = znchar(Mod(47,69))

## Basic properties

 sage: chi.conductor()  pari: znconreyconductor(g,chi) Conductor = 3 sage: chi.multiplicative_order()  pari: charorder(g,chi) Order = 2 Real = yes sage: chi.is_primitive()  pari: #znconreyconductor(g,chi)==1 \\ if not primitive returns [cond,factorization] Primitive = no Minimal = yes sage: chi.is_odd()  pari: zncharisodd(g,chi) Parity = odd Orbit label = 69.b Orbit index = 2

## 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 ]

## Values on generators

$$(47,28)$$ → $$(-1,1)$$

## Values

 -1 1 2 4 5 7 8 10 11 13 14 16 $$-1$$ $$1$$ $$-1$$ $$1$$ $$-1$$ $$1$$ $$-1$$ $$1$$ $$-1$$ $$1$$ $$-1$$ $$1$$
value at  e.g. 2

## Related number fields

 Field of values $$\Q$$

## Gauss sum

sage: chi.sage_character().gauss_sum(a)

pari: znchargauss(g,chi,a)

$$\tau_{ a }( \chi_{ 69 }(47,·) )\;$$ at $$\;a =$$ e.g. 2
$$\displaystyle \tau_{2}(\chi_{69}(47,\cdot)) = \sum_{r\in \Z/69\Z} \chi_{69}(47,r) e\left(\frac{2r}{69}\right) = -1.7320508076i$$

## Jacobi sum

sage: chi.sage_character().jacobi_sum(n)

$$J(\chi_{ 69 }(47,·),\chi_{ 69 }(n,·)) \;$$ for $$\; n =$$ e.g. 1
$$\displaystyle J(\chi_{69}(47,\cdot),\chi_{69}(1,\cdot)) = \sum_{r\in \Z/69\Z} \chi_{69}(47,r) \chi_{69}(1,1-r) = -21$$

## Kloosterman sum

sage: chi.sage_character().kloosterman_sum(a,b)

$$K(a,b,\chi_{ 69 }(47,·)) \;$$ at $$\; a,b =$$ e.g. 1,2
$$\displaystyle K(1,2,\chi_{69}(47,·)) = \sum_{r \in \Z/69\Z} \chi_{69}(47,r) e\left(\frac{1 r + 2 r^{-1}}{69}\right) = 0.0$$