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RESEARCH PRODUCT

HEIGHTS OF CHARACTERS IN BLOCKS OF $p$-SOLVABLE GROUPS

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In this paper, it is proved that if $B$ is a Brauer $p$ -block of a $p$ -solvable group, for some odd prime $p$ , then the height of any ordinary character in $B$ is at most $2b$ , where $p^b$ is the largest degree of the irreducible characters of the defect group of $B$ . Some other results that relate the heights of characters with properties of the defect group are obtained.