Timeline for Number of conjugacy classes of a semi-direct product of two finite groups
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Dec 6, 2023 at 8:40 | comment | added | YCor | @gdre It is a split extension and an argument for this is given in the answer. | |
| Dec 6, 2023 at 8:37 | comment | added | YCor | @gdre the dihedral group of order $2n$ is denoted $D_n$ or $D_{2n}$ according to authors. | |
| Dec 6, 2023 at 8:35 | comment | added | gdre | Sorry，if $D4$ in your answer is $D8$?When $D4$ is $D8$,the extension $D8$ by $C2$ isn't split extension. | |
| Dec 6, 2023 at 5:09 | history | edited | Joachim König | CC BY-SA 4.0 |
added 46 characters in body
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| Dec 6, 2023 at 5:02 | history | answered | Joachim König | CC BY-SA 4.0 |