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# 4 Parametrised Presentations

### Sections

- Provided pp-presentations

In this chapter we describe which pp-presentations for infinite
coclass sequences (see ELG08) are provided.

`ParPresGlobalVar_2_1 V`

`ParPresGlobalVar_2_2 V`

`ParPresGlobalVar_3_1 V`

are lists consisting of the pp-presentations of the infinite
coclass sequences of finite `p`-groups of coclass `r`, where the first number
in the name gives the underlying prime and the second the underlying coclass.
Each entry in the list is a record
`rec`( `rel`, `expo`, `n`, `d`, `m`, `prime`, `cc`, `expo_vec`, `name` )
with `m` = 0 and `expo_vec` = [ ]. The record entries are of a form such that
each record can be used as input for
PPPPcpGroups. See PPPPcpGroups for more information.

`ParPresGlobalVar_p_r_Names V`

gives the names of the infinite coclass sequences of finite `p`-groups of
coclass `r`.

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SymbCompCC manual

March 2018