<html><head><title>[SymbCompCC] 4 Parametrised Presentations</title></head>
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<h1>4 Parametrised Presentations</h1><p>
<P>
<H3>Sections</H3>
<oL>
<li> <A HREF="CHAP004.htm#SECT001">Provided pp-presentations</a>
</ol><p>
<p>
In this chapter we describe which pp-presentations for infinite
coclass sequences (see <a href="biblio.htm#ELG08"><cite>ELG08</cite></a>) are provided.
<p>
<p>
<h2><a name="SECT001">4.1 Provided pp-presentations</a></h2>
<p><p>
<a name = "SSEC001.1"></a>
<li><code>ParPresGlobalVar_2_1 V</code>
<a name = "SSEC001.1"></a>
<li><code>ParPresGlobalVar_2_2 V</code>
<a name = "SSEC001.1"></a>
<li><code>ParPresGlobalVar_3_1 V</code>
<p>
are lists consisting of the pp-presentations of the infinite
coclass sequences of finite <var>p</var>-groups of coclass <var>r</var>, 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
<var>rec</var>( <var>rel</var>, <var>expo</var>, <var>n</var>, <var>d</var>, <var>m</var>, <var>prime</var>, <var>cc</var>, <var>expo_vec</var>, <var>name</var> )
with <var>m</var> = 0 and <var>expo_vec</var> = [ ]. The record entries are of a form such that
each record can be used as input for
<a href="CHAP003.htm#SSEC002.1">PPPPcpGroups</a>. See <a href="CHAP003.htm#SSEC002.1">PPPPcpGroups</a> for more information.
<p>
<a name = "SSEC001.2"></a>
<li><code>ParPresGlobalVar_p_r_Names V</code>
<p>
gives the names of the infinite coclass sequences of finite <var>p</var>-groups of
coclass <var>r</var>.
<p>
<p>
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<address>SymbCompCC manual<br>February 2022
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