# Properties

 Modulus 315 Conductor 35 Order 6 Real no Primitive no Minimal yes Parity odd Orbit label 315.bi

# Related objects

Show commands for: Pari/GP / SageMath
sage: from sage.modular.dirichlet import DirichletCharacter

sage: H = DirichletGroup(315)

sage: M = H._module

sage: chi = DirichletCharacter(H, M([0,3,1]))

pari: [g,chi] = znchar(Mod(199,315))

## Basic properties

 sage: chi.conductor()  pari: znconreyconductor(g,chi) Modulus = 315 Conductor = 35 sage: chi.multiplicative_order()  pari: charorder(g,chi) Order = 6 Real = no 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 = 315.bi Orbit index = 35

## Galois orbit

sage: chi.galois_orbit()

pari: order = charorder(g,chi)

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

## Values on generators

$$(281,127,136)$$ → $$(1,-1,e\left(\frac{1}{6}\right))$$

## Values

 -1 1 2 4 8 11 13 16 17 19 22 23 $$-1$$ $$1$$ $$e\left(\frac{5}{6}\right)$$ $$e\left(\frac{2}{3}\right)$$ $$-1$$ $$e\left(\frac{2}{3}\right)$$ $$1$$ $$e\left(\frac{1}{3}\right)$$ $$e\left(\frac{2}{3}\right)$$ $$e\left(\frac{5}{6}\right)$$ $$-1$$ $$e\left(\frac{5}{6}\right)$$
value at  e.g. 2

## Related number fields

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

## Gauss sum

sage: chi.gauss_sum(a)

pari: znchargauss(g,chi,a)

$$\tau_{ a }( \chi_{ 315 }(199,·) )\;$$ at $$\;a =$$ e.g. 2
$$\displaystyle \tau_{2}(\chi_{315}(199,\cdot)) = \sum_{r\in \Z/315\Z} \chi_{315}(199,r) e\left(\frac{2r}{315}\right) = -0.0$$

## Jacobi sum

sage: chi.jacobi_sum(n)

$$J(\chi_{ 315 }(199,·),\chi_{ 315 }(n,·)) \;$$ for $$\; n =$$ e.g. 1
$$\displaystyle J(\chi_{315}(199,\cdot),\chi_{315}(1,\cdot)) = \sum_{r\in \Z/315\Z} \chi_{315}(199,r) \chi_{315}(1,1-r) = 3$$

## Kloosterman sum

sage: chi.kloosterman_sum(a,b)

$$K(a,b,\chi_{ 315 }(199,·)) \;$$ at $$\; a,b =$$ e.g. 1,2
$$\displaystyle K(1,2,\chi_{315}(199,·)) = \sum_{r \in \Z/315\Z} \chi_{315}(199,r) e\left(\frac{1 r + 2 r^{-1}}{315}\right) = 0.0$$