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Results tagged with finite-groups
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user 65800
Questions on group theory which concern finite groups.
3
votes
2
answers
595
views
mod p cohomology ring of alternating groups
Let $A_n$ be the alternating group of $\{1,2,\cdots,n\}$.
(1). What is the cohomology ring
$$
H^*(A_4;\mathbb{Z}/3)
$$
and its Steenrod operation $P^i$'s?
(2). Are there general results about the …
- 2,223
2
votes
1
answer
148
views
positions of regular cubes in Euclidean space with all its vertices without distinction
Let $P$ be the standard regular cube, centered at the origin of $\mathbb{R}^3$ with all its vertices on the unit sphere.
If the vertices are labelled by $1,2,3,4,5,6,7,8$, then the collection of al …
- 2,223