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<title> Changes in the GAP Library of Tables of Marks</title>
<h1 align="center">Changes in the GAP Library of Tables of Marks </h1>
<div class="p"><!----></div>
<br /><br /> <body bgcolor="FFFFFF">
<div class="p"><!----></div>
This list contains the changes in the <font face="helvetica"><font size="+0">GAP</font></font> Library of Tables of Marks
since the release of TomLib 1.0 (together with <font face="helvetica"><font size="+0">GAP</font></font> 4.3) in May 2002.
We denote mathematical errors by <b>***</b> and new information
by <b>NEW</b>.
We use <b>C</b> to denote changes that are not obviously corrections;
the number of these changes is kept small.
<div class="p"><!----></div>
<br /><br /><b>Release of TomLib 1.1.1 (December 2003)</b>
<div class="p"><!----></div>
<br /><br />Changes are assigned to the simple group involved,
and shown in alphabetical order.
<div class="p"><!----></div>
<br />
<table>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> <sup>3</sup>D<sub>4</sub>(2)</td><td valign="top"> : </td><td valign="top">
<td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the classes 2847 and 2848
were corrected, they are in the classes 2823 and 2827, respectively
(not 2847 and 2848)
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> </td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the last classes in the maximal
subgroups S<sub>3</sub> ×L<sub>2</sub>(8) and (7 ×L<sub>2</sub>(7)):3 were corrected,
they are in the last but one class not in the last
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> Co<sub>3</sub></td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the classes 2018, 2318, and 2457
in Co<sub>3</sub> were corrected, they are in the classes 1435, 2048, and 2442,
respectively (not 2018, 2318, and 2457)
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> </td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the last classes in the maximal subgroups
2 ×M<sub>12</sub>, S<sub>3</sub> ×L<sub>2</sub>(8):3, and A<sub>4</sub> ×S<sub>5</sub> were
corrected, they are in the classes 514, 139, and 138, respectively
(not 515, 144, and 146)
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> L<sub>3</sub>(4)</td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the class 199 in 3.L<sub>3</sub>(4).2<sub>3</sub>
were corrected, they are in the class 198 not 199
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> </td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The generators for the representative of the class 706 in
2<sup>2</sup>.L<sub>3</sub>(4).2<sub>2</sub> were replaced;
the former generators belonged to a group in class 705
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> O<sub>8</sub><sup><font face="symbol">-</font
></sup>(2)</td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The straight line programs were corrected;
up to now, the corresponding data stored in the table did not describe
valid straight line programs
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> </td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the last class in the maximal
subgroup (S<sub>3</sub> ×S<sub>3</sub> ×A<sub>5</sub>):2 of O<sub>8</sub><sup><font face="symbol">-</font
></sup>(2) were corrected,
they are in the class 362 not 368
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> U<sub>3</sub>(4)</td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the class 80 in U<sub>3</sub>(4).2
were corrected, they are in the class 79 not 80
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> U<sub>4</sub>(2)</td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The generators for the representative of the class 110
in the maximal subgroup 2.(A<sub>4</sub> ×A<sub>4</sub>).2.2 of U<sub>4</sub>(2).2 were replaced;
the former generators belonged to a group of order 24 not 12,
which was conjugate to the representative of class 152
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> U<sub>4</sub>(3)</td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The generators for the representatives of the classes 575 and
595 in U<sub>4</sub>(3).2<sub>1</sub> were replaced; the former generators belonged to groups
of order 192 not 96, which were conjugate to the representative of class
709
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr></td></tr></table><!--hboxt--></table>
<div class="p"><!----></div>
<br /><br /><b>Release of TomLib 1.1.2 (February 2004)</b>
<div class="p"><!----></div>
<br /><br />Changes are assigned to the simple group involved,
and shown in alphabetical order.
<div class="p"><!----></div>
<br />
<table>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> O<sub>8</sub><sup><font face="symbol">-</font
></sup>(2)</td><td valign="top"> : </td><td valign="top">
<td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The derived subgroups for the class 5269 were corrected,
they are in the class 5108 not 5269
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> </td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The fusion from the table of marks of the maximal subgroup
(A<sub>8</sub> ×3):2 was corrected
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr></td></tr></table><!--hboxt--></table>
<div class="p"><!----></div>
<br /><br /><b>Release of TomLib 1.1.3 (September 2007)</b>
<div class="p"><!----></div>
<br /><br />Changes are assigned to the simple group involved,
and shown in alphabetical order.
<div class="p"><!----></div>
<br />
<table>
<tr><td valign="top" align="right"><b>NEW</b></td><td valign="top"> A<sub>12</sub></td><td valign="top"> : </td><td valign="top">
<td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The table of marks of S<sub>12</sub> was added
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr>
<tr><td valign="top" align="right"><b>NEW</b></td><td valign="top"> A<sub>13</sub></td><td valign="top"> : </td><td valign="top">
</td><td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The table of marks of A<sub>13</sub> was added
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr></td></tr></table><!--hboxt--></table>
<div class="p"><!----></div>
<br /><br /><b>Release of TomLib 1.1.4 (November 2008)</b>
<div class="p"><!----></div>
<br /><br />Changes are assigned to the simple group involved,
and shown in alphabetical order.
<div class="p"><!----></div>
<br />
<table>
<tr><td valign="top" align="right"><b>***</b></td><td valign="top"> A<sub>12</sub></td><td valign="top"> : </td><td valign="top">
<td valign="top"><table border="0"><tr><td valign="top"></td><td width="633">
The underlying group of the table of marks of S<sub>12</sub> was
in fact S<sub>13</sub>, acting on 13 points;
moreover, it had the group order of S<sub>12</sub> stored
.
</td></tr></table><!--vbox-->
</td><td valign="top"></td></tr></td></tr></table><!--hboxt--></table>
<div class="p"><!----></div>
<br /><br />
<div class="p"><!----></div>
<div class="p"><!----></div>
Last update November 20th, 2008.
<div class="p"><!----></div>
<div class="p"><!----></div>
<br /><br /><hr /><small>File translated from
T<sub><font size="-1">E</font></sub>X
by <a href="http://hutchinson.belmont.ma.us/tth/">
T<sub><font size="-1">T</font></sub>H</a>,
version 3.59.<br />On 20 Nov 2008, 15:54.</small>
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