Abstract: The existence of blocks of defect 0 for some special classes of finite groups is determined. A proof of another form of G Robinson's theorem is given too.

Key words: p-block, defect group, conjugacy

摘要： 确定了某些特殊群亏零块的存在性，并用另一种方法证明了Robinson关于块的存在性定理。

关键词: p-块, 亏群, 共轭类