Determining all homomorphisms from $\mathbb Z_m$ to $\mathbb Z_n$ ?
7938
Number of Homomorphisms from $\Bbb{Z}_m$ to $\Bbb{Z}_n$
146341
Finding all ring homomorphisms from a field to itself
98587
$\mathbb Z [X] / (X)$ isomorphic to $\mathbb Z[X] / (X+1)$ isomorphic to $\mathbb Z [X] / (X+2015)$
82559
Showing two ring homomorphisms that agree on the integers must agree on the rationals
13717
Homomorphisms from $S_4$ to $\mathbb Z_2$
126644
Simple module and homomorphisms
114916
$\mathbb Z_{mn}$ isomorphic to $\mathbb Z_m\times\mathbb Z_n$ whenever $m$ and $n$ are coprime
134858
Abelian Group Homomorphism
146990
How to find the number of automorphisms on $\mathbb Z_2\times \mathbb Z_4$
57691
calculate (find the type of isomorphism) of $\mathbb Z_p/p\mathbb Z_p$ where p is prime
88930
Homomorphism between free groups
18540
Isomorphism from $\mathbb{C}[G]$ to $\prod_{i=1}^h M_{n_i}(\mathbb{C})$.
26661
Ring homomorphisms from $\mathbb{Z}_n$ to $\mathbb{Z}_m$
159005
Finding all homomorphisms between two groups - couple of questions
89415
Number of homomorphisms from $(\mathbb Q^+ , \,\cdot\,)$ to $(\mathbb Z_n , +)$
141124
Automorphisms of the ring $\Bbb Z[x]$ of polynomials with integer coefficients
92211
When are $\mathbb Z_m$ and $\mathbb Z_n$ homomorphic?