New posts in finite-groups

Subgroups of Symmetric groups isomorphic to dihedral group

Show that any abelian transitive subgroup of $S_n$ has order $n$

Classification of triply transitive finite groups

How many automorphisms of $S_n$ take transpositions into transpositions?

No group of order 36 is simple

Sylow $p$-subgroup of a direct product is product of Sylow $p$-subgroups of factors

Does every group whose order is a power of a prime p contain an element of order p?

What are the values of $a$ and $b$ so that $\Bbb Z_2\times\Bbb Z_3\times\Bbb Z_4\times\Bbb Z_9$ is isomorphic with $\Bbb Z_a\times\Bbb Z_b$?

Every finite group is isomorphic to some Galois group for some finite normal extension of some field.

Prove that a proper subgroup of a $p$-group never equals its normalizer.

Simple groups of order 168

What are all conditions on a finite sequence $x_1,x_2,...,x_m$ such that it is the sequence of orders of elements of a group?

Groups and generating sets

Number of elements of order coprime to $p$ in a finite group

Are some numbers more likely to count conjugacy classes than others?

Is there a geometric realization of Quaternion group?

The "architecture" of a finite group

Order of conjugate of an element given the order of its conjugate

Every finite group has a composition series

Groups of order $56$