https://en.formulasearchengine.com/index.php?action=history&feed=atom&title=Group_extensionGroup extension - Revision history2026-06-06T02:46:11ZRevision history for this page on the wikiMediaWiki 1.43.0-wmf.28https://en.formulasearchengine.com/index.php?title=Group_extension&diff=228852&oldid=prev82.123.174.158: If an extension is equivalent to the trivial one, then it is a direct product. Prop 2 : http://books.google.fr/books?id=4RIDPH1ULXcC&pg=SA1-PA63#v=onepage&q&f=false2014-11-29T16:26:41Z<p>If an extension is equivalent to the trivial one, then it is a direct product. Prop 2 : http://books.google.fr/books?id=4RIDPH1ULXcC&pg=SA1-PA63#v=onepage&q&f=false</p>
<a href="https://en.formulasearchengine.com/index.php?title=Group_extension&diff=228852&oldid=4164">Show changes</a>82.123.174.158https://en.formulasearchengine.com/index.php?title=Group_extension&diff=4164&oldid=prev157.193.53.59: /* Extensions in general */2013-11-16T20:50:04Z<p><span class="autocomment">Extensions in general</span></p>
<a href="https://en.formulasearchengine.com/index.php?title=Group_extension&diff=4164&oldid=228851">Show changes</a>157.193.53.59https://en.formulasearchengine.com/index.php?title=Group_extension&diff=228851&oldid=preven>Cuzkatzimhut: /* See also */2012-05-14T16:57:07Z<p><span class="autocomment">See also</span></p>
<a href="https://en.formulasearchengine.com/index.php?title=Group_extension&diff=228851">Show changes</a>en>Cuzkatzimhut