verret's user avatar
verret's user avatar
verret's user avatar
verret
  • Member for 12 years
  • Last seen this week
  • Auckland, New Zealand
26 votes
Accepted

Pair of short exact sequences of groups

19 votes
Accepted

Is there anything significant about GAP's SmallGroup(512,2045)?

17 votes
Accepted

Are there infinitely many insipid numbers?

10 votes

Highly symmetric 6-regular graph with 20 vertices

10 votes

Fantastic properties of Z/2Z

9 votes
Accepted

Characteristic subgroups of $p$-groups

9 votes
Accepted

Subgroup ranks of the symmetric group

8 votes
Accepted

When Cayley graphs of the symmetric group wrt generating sets of transpositions are isomorphic?

8 votes

Population of P people, where each person knows K others, how many people mutually know each other

8 votes
Accepted

Are there only finitely many distinct cubic walk-regular graphs that are neither vertex-transitive nor distance-regular?

7 votes

Lower frattini subgroup

7 votes
Accepted

Regular graph of order 50, degree 7 and Automorphism group of order 288000. How to check if it is Cayley

7 votes
Accepted

Condition(s) for the full autormophism group $\operatorname{Aut}(C(G, S))$ of the Cayley graph of $G$ to be isomorphic to $G$

6 votes
Accepted

Cubic Cayley (undirected) graphs

6 votes

Generator sets of a subgroup of $S_n$ with $O(n)$ total support - do they always exist ?

6 votes
Accepted

Can $1\ne H\cap H^g\lhd H$ happen if $G$ is a primitive permutation group with stabiliser $H$?

5 votes
Accepted

Is there a permutation group satisfying the following property?

5 votes
Accepted

Super dense edge-transitive graphs

5 votes

The relation $x \sim g x g$ in groups

5 votes
Accepted

What are all the transitive extensions of cyclic groups?

5 votes

Is there a 2 transitive finite group with transitive normal subgroup having a cyclic quotient other than $A_n$ and $S_n$?

5 votes
Accepted

Finite groups with cyclic self-normalizing subgroup

5 votes
Accepted

Characterization of finite groups generated by one additional element of prime order for every element of prime order

5 votes
Accepted

Max order for which connected Cayley Graphs are known to be Hamiltonian

4 votes
Accepted

the number of minimal generating subsets of a group

4 votes
Accepted

Graphs with prescribed Automorphism groups

4 votes

Kernel of a double cover of group as stem extension

4 votes
Accepted

transitive subgroups of $S_n$

3 votes

A question on the number of involutions in a 2-group

3 votes

Is there a subset of $\Sigma_n$ s.t. each pair of elements is once in each pair of positions?