Category:Semi-basic definitions in group theory

This page lists important basic definitions in group theory, which are of a level that can be best understood after completion of a first group theory course. Thus, the definitions are standard, but not as basic as those listed in Category: Basic definitions in group theory. Note that the full article linked to by the page may contain far more detail than is required for a basic definition. For just a basic idea of the meaning, read only the Definition section.

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 * Category: Basic definitions in group theory
 * Category: Standard non-basic definitions in group theory
 * Category: Semistandard definitions in group theory