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New posts in automorphism-group
What is the smallest poset with automorphism group $C_n$?
finite-groups
order-theory
automorphism-group
Extension of isomorphism of fields
field-theory
extension-field
automorphism-group
$\mathrm{Aut}(\mathrm{Aut}(G))\cong\mathrm{Aut}(G)$ for $G$ a non-abelian simple group
abstract-algebra
group-theory
automorphism-group
About actions of ${\rm Aut}(G)$, conjugacy classes and inner automorphisms of said group
group-theory
group-actions
automorphism-group
Automorphisms of a Cyclic Group
abstract-algebra
group-theory
automorphism-group
$|\operatorname{Aut}(K/F)| \leq [K:F]_s$ holds in general?
abstract-algebra
field-theory
galois-theory
extension-field
automorphism-group
Deck transformation group in algebraic geometry
algebraic-geometry
reference-request
covering-spaces
automorphism-group
How large can the outer automorphism group be?
soft-question
finite-groups
asymptotics
automorphism-group
Does there exist a finite group whose automorphism group is simple?
finite-groups
automorphism-group
Prove there isn't a group $G$ that satisfy ${\rm Aut}(G) \cong \mathbb{Z}$ [duplicate]
abstract-algebra
group-theory
group-isomorphism
automorphism-group
Automorphism of $\mathbb{C}\setminus \{0,1\}$.
complex-analysis
automorphism-group
Find non trivial homomorphism $\mathbb{Z}/q\mathbb{Z} \rightarrow \text{Aut}(\mathbb{Z}/p\mathbb{Z})$
group-theory
group-homomorphism
automorphism-group
Let $\phi:\Bbb{Z}_{20} \to \Bbb{Z}_{20}$ be an automorphism and $\phi(5)=5$. What are the possibilities of $\phi(x)$?
finite-groups
group-isomorphism
automorphism-group
Clarifications needed for a question concerning ${\rm Aut}(\mathbb{Z}_{2}\times \mathbb{Z}_{2})\cong S_{3}$
abstract-algebra
group-theory
symmetric-groups
automorphism-group
${\rm Aut}(G)$ is cyclic $\implies G$ is abelian
group-theory
solution-verification
abelian-groups
group-isomorphism
automorphism-group
Finding the $\mathbb{Q}$-automorphisms of the splitting field of $x^p-2$ over $\mathbb{Q}$.
field-theory
galois-theory
splitting-field
automorphism-group
Determining an inner automorphism via queries
group-theory
algorithms
automorphism-group
Justify $\mathbb{Q}\simeq \mathbb{Q}[\sqrt{2}]$ as groups [closed]
group-theory
automorphism-group
Group isomorphic to its automorphism group
abstract-algebra
group-theory
finite-groups
automorphism-group
Cyclic Automorphism group
abstract-algebra
group-theory
cyclic-groups
automorphism-group
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