Timeline for Quotient of principal congruence subgroups
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Mar 15, 2015 at 20:27 | comment | added | YCor | If you have a finite 2-group $G$, then the set of automorphisms acting as the identity on $G/G^2$ is a normal 2-subgroup, and the quotient is a subgroup of automorphisms of $G/G^2$ which should be computable with not too much effort in your case. | |
| Mar 15, 2015 at 19:32 | comment | added | Igor Rivin | @GeoffRobinson Well, for the source question, it would be good to get enough information to find the automorphism group... | |
| Mar 15, 2015 at 19:30 | answer | added | Jeff Yelton | timeline score: 5 | |
| Mar 15, 2015 at 18:34 | comment | added | Geoff Robinson | The derived length and nilpotence class aren't difficult to calculate. What sort of things are you looking for? | |
| Mar 15, 2015 at 18:08 | history | asked | Igor Rivin | CC BY-SA 3.0 |