The Möbius Function of the Affine Linear Group $\text{AGL}(1,\Bbb F_q)$
Xiang-dong Hou·2020-01-28·via math.CO updates on arXiv.org
Let $\text{AGL}(1,\Bbb F_q)$ denote the affine linear group of dimension one over the finite field $\Bbb F_q$. We determine the Möbius function of the lattice of subgroups of $\text{AGL}(1,\Bbb F_q)$.