Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4602348 | Linear Algebra and its Applications | 2008 | 19 Pages |
Abstract
In this paper, we construct the pairwise non-congruent elementary abelian covers of the octahedron graph O6 which admit a lift of an arc-transitive group of automorphisms of O6. It shows that if the covering transformation group is a 2-group, then its rank is less than or equal to 7 and there exist exactly 14 non-congruent covering projections in total which admit lifts of arc-transitive subgroups of the full automorphism group of O6. If the covering transformation group is an odd prime p-group, then its rank is 1, 3, 4, 6 or 7 and there exist p+4 such non-congruent covering projections in total.
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