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New posts in automorphism-group
Upper bounds on the size of $\operatorname{Aut}(G)$
group-theory
finite-groups
automorphism-group
Let $G$ be a finite group with $|G|>2$. Prove that ${\rm Aut}(G)$ contains at least two elements.
abstract-algebra
group-theory
finite-groups
automorphism-group
Showing ${\rm Aut}(D_{2^n})\cong{\rm Aut}(Q_{2^n})$ for $n\ge 4$.
group-theory
group-isomorphism
quaternions
automorphism-group
dihedral-groups
Order of automorphism group of cyclic group [closed]
abstract-algebra
group-theory
cyclic-groups
automorphism-group
Automorphism group of the quaternion group
group-theory
finite-groups
quaternions
automorphism-group
Show ${\rm Aut}(G)$ is a $2$-group, where $G$ is given by a particular presentation
group-theory
automorphism-group
group-presentation
p-groups
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