Timeline for The maximum order of torsion elements in ${\rm GL}_n(\mathbb{Z}_p)$ or ${\rm GL}_n(\mathbb{F}_p[[T]])$
Current License: CC BY-SA 4.0
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| Nov 18, 2023 at 19:27 | comment | added | stupid boy | When $p=2$, the group ${\rm SL}_2(\mathbb{Z})$ (and hence ${\rm SL}_2(\mathbb{Z}_2)$ ) has an element of order $4$ (resp. $6$). In particular, your claim is not true for $p=2$. | |
| Jun 1, 2023 at 4:12 | history | answered | Kenta Suzuki | CC BY-SA 4.0 |