Theoretica chimica acta

, Volume 70, Issue 3, pp 203–219 | Cite as

The method of ascending symmetry for irreducible characters of finite groups

  • Noam Agmon
Article

Abstract

The irreducible characters of a finite group are determined uniquely by those of a minimal set of maximal subgroups. The method is based on the construction of all class functions which are irreducible characters on every maximal subgroup. These are generalized characters by a theorem of Brauer, so that the irreducible characters are obtained by checking the norm. An alternative characterization of irreducible characters, the Maximum Mixing Rule, works for all point symmetry groups, and its physical significance is discussed. As an example, the character tables for all point symmetry groups and crystal double-groups are constructed in this way.

Key words

Character tables Finite groups Generalized and irreducible characters Symmetry Maximal subgroups Mixing 

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Copyright information

© Springer-Verlag 1986

Authors and Affiliations

  • Noam Agmon
    • 1
  1. 1.Department of Physical Chemistry and the Fritz Haber Center for Molecular DynamicsThe Hebrew UniversityJerusalemIsrael

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