This classification reveals structures of finite 2-groups with specific subgroup types, and identifies arc-transitive maps.
We classify all finite 2-groups that have a cyclic or dihedral maximal subgroup and determine their automorphism groups. Based on this result, we classify all pairs (G,M), such that G is a finite 2-group and M is a G-arc-transitive map with Euler characteristic not being divisible by 4.
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Peice Hua (2025) studied this question.
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