Is isomorphism in group theory mean one-one homomorphism?
59234
Standard definition of group isomorphism
44258
Conditions under which group solvability is invariant under an homomorphism.
86748
Isomorphism of hom sets implies objects are isomorphic
47623
The set of all complex homomorphisms of abelian group $G$ has the same structure as $G$
157915
Isomorphism between the group $(\mathbb Z[x], +)$ and $(\mathbb Q_{>0}, .)$
5906
All group homomorphism from $ \mathbb{Z} _m $ to $\mathbb{Z}_n $
58707
Prove Quotient Group Isomorphism
120495
Does this correctly interpret the "$\cong$" between groups as "$=$" between sets?
46116
Proof of the First Isomorphism Theorem for Groups
52556
Isomorphism of $S^1$.
59811
Finite Abelian groups with the same number of elements for all orders are isomorphic
126930
Finding all group homomorphisms of $S_n\to\mathbb{C}^*$ and $A_n\to\mathbb{C}^*$
27670
Group homomorphisms $\mathbb{Q}\to\mathbb{R}$
123860
When are two direct products of groups isomorphic?
88930
Homomorphism between free groups
68728
Why does the natural ring homomorphism induce a surjective group homomorphism of units?
33702
Is this an isomorphism possible?