Timeline for a question about finite 2-group
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Apr 4, 2018 at 15:43 | comment | added | Arturo Magidin | @YCor: Yes: it's standard notation for the upper central series. $Z_1(G) = Z(G)$, and $Z_{n+1}(G)$ is the inverse image of the center of $G/Z_n(G)$. | |
| Apr 4, 2018 at 15:22 | answer | added | Derek Holt | timeline score: 3 | |
| Apr 4, 2018 at 15:07 | history | edited | Maryam | CC BY-SA 3.0 |
added 49 characters in body
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| Apr 4, 2018 at 15:00 | comment | added | YCor | I guess $Z_2(G)$ denotes the inverse image in $G$ of the center of $G/Z(G)$? | |
| Apr 4, 2018 at 14:27 | history | asked | Maryam | CC BY-SA 3.0 |