P-groups and homomorphisms...
111375
Normality of subgroups and Sylow groups under homomorphisms...
55900
Is there a ring homomorphism $M_2(\mathbb Z)\to \mathbb Z$?
6466
Image of subgroup and Kernel of homomorphism form subgroups
152306
Finding homomorphisms from $\mathbb Z_{12}$ to $\mathbb Z_{6}$.
7890
Prove the map $\Phi:G\to\operatorname{Aut}G$ with $g\mapsto (x\mapsto g^{-1}xg)$ is an homomorphism.
1026
Ring homomorphism with $\phi(1_R) \neq1_S$
51334
Does there exist any surjective group homomorphism from $(\mathbb R^* , .)$ onto $(\mathbb Q^* , .)$?
26661
Ring homomorphisms from $\mathbb{Z}_n$ to $\mathbb{Z}_m$
68728
Why does the natural ring homomorphism induce a surjective group homomorphism of units?
101064
Showing the triviality of homomorphisms
129858
"Almost" ring homomorphism
121257
Image of Homomorphism of Lie groups
30236
isomorphic groups related in direct product.
7938
Number of Homomorphisms from $\Bbb{Z}_m$ to $\Bbb{Z}_n$
122970
A question on $p$-groups, and order of its commutator subgroup.
32172
Homomorphisms of graded modules
143451
Homomorphism from $(\Bbb Q,+)$ to a finite group