Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with finite-groups
Search options not deleted
user 95243
Questions on group theory which concern finite groups.
5
votes
Accepted
Why $G/F(G)$ is isomorphic to a subgroup of ${\rm Out}(F(G))$?
For (2), there is a general construction at work here. Given a short exact sequence of groups
$$1 \to K \to G \to Q \to 1$$
there is always a well-defined homomorphism $\varphi: Q\to \mathrm{Out}(K) …
- 470