# Group Theory- Zassenhaus Filtration & Other Filtrations

Does someone know of any good papers/books/references of properties of the so-called "Zassenhaus Filtration" of a group $G$ ?

I'm mainly interested in relations between this filtration and closely related ones such as the lower central series (which I actually already found ) , the derived series, etc...

Any good reference will be greatfully acknowledged! I really need to know some properties of this filtration, but can't find any good book/paper that contains such

Thanks in advance !

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@Jason: Take a cyclic group of order $p^{10000}$. Compare its Z. filtration with the lower central series and the derived series. –  Mark Sapir Jun 22 '12 at 8:04