How do you find all the generators of $(\Bbb Z_{n})^\times$?
28913
How to find a generator of a cyclic group?
33387
Proof that $n\Bbb Z \leq \Bbb Z$ and are the only subgroups of $\Bbb Z$
123482
How to compute $\mathbb{Z}_n^*$, the unit group of the integers modulo $n$?
35034
Multiplicative inverses for $Z_n$
32108
$ a\in \Bbb Z_n$ is invertible $\,\Rightarrow\gcd (a,n) =1$
95031
Find generators of the ideal of an algebraic set
67644
How does one get the formula for this bijection from $\mathbb{N}\times\mathbb{N}$ onto $\mathbb{N}$?
141124
Automorphisms of the ring $\Bbb Z[x]$ of polynomials with integer coefficients
128899
How to find all generators for a cyclic group of order $n$?
124140
Quick way to find the number of the group homomorphisms $\phi:{\bf Z}_3\to{\bf Z}_6$?
96680
Generators of symmetric group $S_n$
2235
Showing $\text{Aut}_\mathsf{Grp}(\mathbb{Z}/2\mathbb{Z} \times \mathbb{Z}/2\mathbb{Z}) \cong S_3$
70856
Construct ideals in $\mathbb Z[x]$ with a given least number of generators
154241
What is the easiest way to generate $\mathrm{GL}(n,\mathbb Z)$?
75068
subgroups of $\mathbb Z / 2 \mathbb Z \times \mathbb Z / 2 \mathbb Z$
72640
$(m,n) = (\gcd(m,n))$ as ideals in $\Bbb Z$
143069
What are the direct summands in $\mathbb{Z}^n$?