This document pertains to the Character Theory of Finite Groups, authored by I. Martin Isaacs and published by Dover Publications. Originally released in 1976, this edition, published on December 20, 2012, serves as a comprehensive resource for understanding advanced mathematical concepts. It is intended for individuals with a background in first-year graduate algebra, offering an in-depth exploration of group theory and number theory without illustrative content.

The purpose of this manual is to provide detailed information and guidance on the subject of character theory within finite groups. It covers theoretical aspects essential for academic study and research. This text is designed to be a foundational resource for students and researchers in mathematics, facilitating a thorough understanding of the principles and applications within this specialized field.