既き約やく表ひょう現げん

noun

irreducible representation

Technical term in group representation theory. Refers to a representation that has no nontrivial proper subrepresentations.

• 有ゆう限げん群ぐんの既き約やく表ひょう現げんの分ぶん類るいは重じゅう要ような問もん題だいである。

  The classification of irreducible representations of finite groups is an important problem.

• この表ひょう現げんは二ふたつの既き約やく表ひょう現げんの直ちょく和わに分ぶん解かいできる。

  This representation can be decomposed into a direct sum of two irreducible representations.