# Properties

 Label 2015.261 Modulus $2015$ Conductor $31$ Order $30$ Real no Primitive no Minimal yes Parity odd

# Related objects

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

sage: H = DirichletGroup(2015)

sage: M = H._module

sage: chi = DirichletCharacter(H, M([0,0,11]))

pari: [g,chi] = znchar(Mod(261,2015))

## Basic properties

 Modulus: $$2015$$ Conductor: $$31$$ sage: chi.conductor()  pari: znconreyconductor(g,chi) Order: $$30$$ sage: chi.multiplicative_order()  pari: charorder(g,chi) Real: no Primitive: no, induced from $$\chi_{31}(13,\cdot)$$ sage: chi.is_primitive()  pari: #znconreyconductor(g,chi)==1 Minimal: yes Parity: odd sage: chi.is_odd()  pari: zncharisodd(g,chi)

## Galois orbit 2015.ev

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

$$(807,1861,716)$$ → $$(1,1,e\left(\frac{11}{30}\right))$$

## Values

 $$-1$$ $$1$$ $$2$$ $$3$$ $$4$$ $$6$$ $$7$$ $$8$$ $$9$$ $$11$$ $$12$$ $$14$$ $$-1$$ $$1$$ $$e\left(\frac{4}{5}\right)$$ $$e\left(\frac{11}{30}\right)$$ $$e\left(\frac{3}{5}\right)$$ $$e\left(\frac{1}{6}\right)$$ $$e\left(\frac{4}{15}\right)$$ $$e\left(\frac{2}{5}\right)$$ $$e\left(\frac{11}{15}\right)$$ $$e\left(\frac{13}{30}\right)$$ $$e\left(\frac{29}{30}\right)$$ $$e\left(\frac{1}{15}\right)$$
 value at e.g. 2

## Related number fields

 Field of values: $$\Q(\zeta_{15})$$ Fixed field: $$\Q(\zeta_{31})$$