Quotient group $\mathbb Z^n/\ \text{im}(A)$
4998
Question on determinants of matrices changing between integer matrices
80211
Annihilator of quotient module M/IM
97565
Quotient group $G/H$ is abelian iff $[G,G] \subseteq H$
150854
Identifying a quotient group (NBHM-$2014$)
151705
$SL_n(\mathbb R)$ is a subgroup of kernel of $f\in$ Hom$(GL_n(\mathbb R), A)$, $A$ is an abelian group.
30752
Proof of $(\mathbb{Z}/m\mathbb{Z}) \otimes_\mathbb{Z} (\mathbb{Z} / n \mathbb{Z}) \cong \mathbb{Z}/ \gcd(m,n)\mathbb{Z}$
57434
$SL_2(\mathbb Z_3)/Z(SL_2(\mathbb Z_3)) \cong A_4$
30401
Determining the structure of the quotient ring $\mathbb{Z}[x]/(x^2+3,p)$
73402
Showing that $(\mathbb{Z}/p^{a}\mathbb{Z})^*$ is a cyclic group
5906
All group homomorphism from $ \mathbb{Z} _m $ to $\mathbb{Z}_n $
47522
group generators of $(\mathbb Z_{17}-\{0\},\times)$
89215
How to describe the quotient group $\mathbb{Z} \times \mathbb{Z} / \langle (1, 2) \rangle$
157915
Isomorphism between the group $(\mathbb Z[x], +)$ and $(\mathbb Q_{>0}, .)$
26661
Ring homomorphisms from $\mathbb{Z}_n$ to $\mathbb{Z}_m$
78852
If $\gcd(m,n) =1, $ then $m\mathbb{Z}/ mn\mathbb{Z} \cong \mathbb{Z}/(n)$
130937
Embeddings of finite groups into $\mathrm{GL}_n(\mathbb{Z})$
118299
Show that $(\mathbb{Z}[x]/(x^{n+1}))^{\times}\cong \mathbb{Z}/2\mathbb{Z}\times\Pi_{i=1}^n\mathbb{Z}$