Finding a homormorphism form $\mathbb{Z}/4\mathbb{Z}$ to $\mathbb{Z}/6\mathbb{Z}$
51695
Finding all homomorphisms between $\mathbb{Z}/m\mathbb{Z}$ and $\mathbb{Z}/n\mathbb{Z}$
109596
Isomorphism from $\mathrm{Aut}(\mathbb{Z}/2\mathbb{Z}\times \mathbb{Z}/2\mathbb{Z})$ to $S_3$
146990
How to find the number of automorphisms on $\mathbb Z_2\times \mathbb Z_4$
34599
Number of ring homomorphisms from $\mathbb Z_{12}$ to $\mathbb Z_{28}$.
40490
Birational isomorphism $\mathbb{P}^n\times \mathbb{P}^m\to \mathbb{P}^{n+m}$
146341
Finding all ring homomorphisms from a field to itself
155669
$\mathrm{Aut}(D_4)$ is isomorphic to $D_4$
32278
Adjoining 1/2 to $\Bbb{Z}/12\Bbb{Z}$
127814
Number of elements in the quotient ring $\mathbb{Z}_6 [x]/\langle 2x +4\rangle$
122312
How can I compute $\mathrm{Aut}(\mathbb{Z}/4\mathbb{Z}\times\mathbb{Z}/6\mathbb{Z})$?
7938
Number of Homomorphisms from $\Bbb{Z}_m$ to $\Bbb{Z}_n$
26661
Ring homomorphisms from $\mathbb{Z}_n$ to $\mathbb{Z}_m$
146470
Show $\mathbb{Z}[\sqrt{6}]$ is a Euclidean domain
98587
$\mathbb Z [X] / (X)$ isomorphic to $\mathbb Z[X] / (X+1)$ isomorphic to $\mathbb Z [X] / (X+2015)$
76943
Existence of subgroup of order six in $A_4$
18343
Counting homomorphisms between $\Bbb Z$ and $\Bbb Z_n$ and also between $\Bbb Z_n$ and $\Bbb Q$
6466
Image of subgroup and Kernel of homomorphism form subgroups