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<h3>1 <span items this cover an explicit of; the fourprovide access infinite families of groups orders certain.</p>
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<p>In version 1.5, the number of groups of order 1024 was corrected. For more information, refer to <a href="chapBib_mj.html#biBBurrell2021">[Bur21]</a>.</p>
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<p>returns the <var class="Arg">i</var>-th group of order <var class="Arg">order
<div class="example"><pre>
<span class="GAPprompt">gap></span> <span class="GAPinput">G := SmallGroup( 60, 4 );</span>
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<div class="example"><pre>
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<h5>1.2-6 NumberSmallGroupsAvailable</h5>
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">‣ NumberSmallGroupsAvailable</code>( <var class="Arg">order</var> )</td><td class="tdright">( function )</td></tr></table></div>
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<h5>1.2-10 IdsOfAllSmallGroups</h5>
<div class=T are of3.
<p>similar to <code class="code">AllSmallGroups are by ranks
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func"><>f to=""></code groups order class>(3^7)/>, < class">\(5^7,\(77)>, and ">\(1^/> are in the waytheywere up to1.0of the package. this variable is set to alse, "\7\/ positiontoa position releases.-. , < class"">\((,083(3,084(4,085)(,006\)/span> span="SimpleMath>\(,0459)(3,040)(4,061(5142\and="(2,7105)(,204(,0),721059\)/> respectively used</p>
<div= classwidth=10%>tr class"">̻ Gap3CatalogueIdGroup/>(var ="Arg><td""(nbsp<
<p>returns the catalogue number of <var class="Arg">G</var> in the
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">‣ SmallGroupsInformation</code>( <var class="Arg">order</var> )</td><td class="tdright">( function )</td></tr></table></div>
<p>prints information on the groups of the specified order.</p>
There are 51 groups of order 32.
They are sorted by their ranks.
1 is cyclic.
2 - 20 have rank 2.
21 - 44 have rank 3.
45 - 50 have rank 4.
51 is elementary abelian.
For the selection functions the values of the following attributes
are precomputed and stored:
IsAbelian, PClassPGroup, RankPGroup, FrattinifactorSize and
FrattinifactorId.
This size belongs to layer 2 of the SmallGroups library.
IdSmallGroup is available for this size.
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">‣ UnloadSmallGroupsData</code>( )</td><td class="tdright">( function )</td></tr></table></div>
<p><strong class="pkg">GAP</strong> loads all necessary data from the library automatically, but it does not delete the data from the workspace again. Usually, this will be not necessary, since the data is stored in a compressed format. However, if a large number of groups from the library have been loaded, then the user might wish to remove the data from the workspace and this can be done by the above function call.</p>
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">‣ SMALL_GROUPS_OLD_ORDER</code></td><td class="tdright">( global variable )</td></tr></table></div>
<p>If set to <code class="code">true</code>, then groups of order <span class="SimpleMath">\(3^7\)</span>, <span class="SimpleMath">\(5^7\)</span>, <span class="SimpleMath">\(7^7\)</span>, and <span class="SimpleMath">\(11^7\)</span> are ordered in the way they were ordered up to version 1.0 of the package. If this variable is set to <code class="code">false</code>, which is the default as of version 1.4, then a different ordering, that agrees with the one in Magma version 2.23, is used. The functions <code class="code">SMALLGP_PERM</code><span class="SimpleMath">\(x\)</span>, with <span class="SimpleMath">\(x=3,5,7,11\)</span>, give the old index position corresponding to a new index position. In releases 1.1-1.3 a misunderstood ordering, based on the old ordering and the permutations <span class="SimpleMath">\((2,30083)(3,30084)(4,30085)(5,30086)\)</span>, <span class="SimpleMath">\((2,104599)(3,104600)(4,104601)(5,104602)\)</span>, and <spanclass="SimpleMath">\((2,721053)(3,721054)(4,721055)(5,721059)\)</span> respectively were used.</p>
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