Aut$(K_4)$ regarding
50130
$\operatorname{Aut}(V)$ is isomorphic to $S_3$
76694
Proving that $UT=TU$ iff $U=g(T)$ for some polynomial $g$
147253
Prove for any $K \leq G$, either $K \leq N$ or $KN=G$ and $[K:K \cap N]=p$ where N is normal in G and $[G:N]=p$
49257
How to show that Klein four-group is a normal subgroup of the alternating group $A_4$
121034
Follow-up to question: Aut(G) for G = Klein 4-group is isomorphic to $S_3$
105170
About product of $k$ commutators
90433
Isomorphisms between $(\mathbb Z_4,+)$ and $(U_5,*)$
153306
Number of sigma algebras for set with 4 elements
9140
Show $\operatorname{Aut}(C_2 \times C_2)$ is isomorphic to $S_3=D_6$
7843
Show that order of $a^k$
132856
Find the derived subgroup of $A_4$
156549
Prove that there is no group $G$ s.t. $\operatorname{Aut}(G)=\mathbb{Q}$
13761
Automorphisms in $\mathbb{Z}_n$
42213
Computing $\text{Gal}(\mathbb{Q}^{ab}/\mathbb{Q})$
151559
Please help: How to show that Aut(G) is a subgroup of Sym(G)
41688
An elementary problem in Group Theory: the unique noncyclic group of order 4
98901
What's wrong with this argument for finding Aut($\mathbb{Z_p} \times \mathbb{Z_p}$)?