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<b>let </b><font color="Maroon">Gc</font> be  <a href="group_1.html#V1">strict</a> <a href="gr_cy_1.html#V1">cyclic</a> <a href="group_1.html#NM1">Group</a>, <font color="Maroon">Hc</font> be  <a href="group_1.html#V1">strict</a> <a href="gr_cy_1.html#V1">cyclic</a> <a href="group_1.html#NM1">Group</a>;<br/>

<b>assume </b><b>that </b><br/><a NAME="E1:18"/><i><font color="Green">E48</font></i>: 
<font color="Maroon">Hc</font> is <a href="group_1.html#V6">finite</a>
 <b>and </b><br/><a NAME="E2:18"/><i><font color="Green">E49</font></i>: 
<font color="Maroon">Gc</font> is <a href="group_1.html#V6">finite</a>
 <b>and </b><br/><a NAME="E3:18"/><i><font color="Green">E50</font></i>: 
 <a href="group_1.html#K9">ord</a> <font color="Maroon">Hc</font> <a href="hidden.html#R1">=</a>  <a href="group_1.html#K9">ord</a> <font color="Maroon">Gc</font>
 ;<br/>

<b>set </b><font color="Maroon">p</font> =  <a href="group_1.html#K9">ord</a> <font color="Maroon">Hc</font>;<br/>
<a NAME="E4:18"/>
 <a href="gr_cy_1.html#K5">INT.Group</a> <span class="p1">(<span class="default"><a href="group_1.html#K9">ord</a> <font color="Maroon">Hc</font></span>)</span>,<font color="Maroon">Hc</font> <a href="group_6.html#R2">are_isomorphic</a> 
 
<b>by </b><i>, </i>;<br/>
<a NAME="E5:18"/><b>then </b><i><font color="Green">E54</font></i>: 
<font color="Maroon">Hc</font>, <a href="gr_cy_1.html#K5">INT.Group</a> <span class="p1">(<span class="default"><a href="group_1.html#K9">ord</a> <font color="Maroon">Hc</font></span>)</span> <a href="group_6.html#R2">are_isomorphic</a> 
 
;<br/>
<a NAME="E6:18"/>
 <a href="gr_cy_1.html#K5">INT.Group</a> <span class="p1">(<span class="default"><a href="group_1.html#K9">ord</a> <font color="Maroon">Hc</font></span>)</span>,<font color="Maroon">Gc</font> <a href="group_6.html#R2">are_isomorphic</a> 
 
<b>by </b><i>, , </i>;<br/>
<b>hence </b><a NAME="E7:18"/>
<font color="Maroon">Hc</font>,<font color="Maroon">Gc</font> <a href="group_6.html#R2">are_isomorphic</a> 
 <b>by </b><i>, <a class="ref" href="group_6.html#T78">GROUP_6:78</a></i>;<br/>


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