# Properties

 Modulus $1$ Structure $$C_1$$ Order $1$

# Learn more

Show commands: Pari/GP / SageMath

sage: H = DirichletGroup(1)

pari: g = idealstar(,1,2)

## Character group

 sage: G.order()  pari: g.no Order = 1 sage: H.invariants()  pari: g.cyc Structure = $$C_1$$

## Characters

Each row describes a character. When available, the columns show the orbit label, order of the character, whether the character is primitive, and several values of the character.

Character Orbit Order Primitive $$1$$
$$\chi_{1}(1,\cdot)$$ 1.a 1 yes $$1$$