Every field with 6 elements is isomorphic to $\Bbb Z_2\times \Bbb Z_3$
55894
Is there anything like GF(6)?
93169
Show that $(\mathbb Z[x],+)$ and $(\mathbb Q_{>0},\cdot)$ are isomorphic groups
5699
The number of ring homomorphisms from $\mathbb{Z}_m$ to $\mathbb{Z}_n$
119793
Proving that $D_{12}\cong S_3 \times C_2$
9140
Show $\operatorname{Aut}(C_2 \times C_2)$ is isomorphic to $S_3=D_6$
143451
Homomorphism from $(\Bbb Q,+)$ to a finite group
34599
Number of ring homomorphisms from $\mathbb Z_{12}$ to $\mathbb Z_{28}$.
26301
Prove that $x^3 \equiv x \bmod 6$ for all integers $x$
91622
Help with proof that $\mathbb Z[i]/\langle 1 - i \rangle$ is a field.
91222
Isomorphism between $\mathfrak o(4,\mathbb R)$ and $\mathfrak o (3,\mathbb R) \oplus\mathfrak o (3,\mathbb R) $
147968
Calculate the Factor Group $(\mathbb{Z}_4 \times \mathbb{Z}_6)/\langle(0,2)\rangle$
73652
Exhibiting an isomorphism between two finite fields
101164
Show that $B \cong \mathbb Z /2\mathbb Z$ for a Boolean field B
61732
Prove any group with 3 elements is isomorphic to $\mathbb{Z}_3$
139162
Complex number isomorphic to certain $2\times 2$ matrices?
109596
Isomorphism from $\mathrm{Aut}(\mathbb{Z}/2\mathbb{Z}\times \mathbb{Z}/2\mathbb{Z})$ to $S_3$
120035
Pattern in Isomorphisms between $\mathbb Z_m \times \mathbb Z_n$ and $\mathbb Z_{mn}$