The number of ways to label a structure
- Cite this article as:
- Harary, F., Palmer, E.M. & Read, R.C. Psychometrika (1967) 32: 155. doi:10.1007/BF02289423
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It has been observed that the number of different ways in which a graph withp points can be labelled isp! divided by the number of symmetries, and that this holds regardless of the species of structure at hand. In this note, a simple group-theoretic proof is provided.