> < ^ Date: Fri, 02 Mar 2001 11:44:14 +0100
< ^ From: Bjorn Vandenbergh <Bjorn.Vandenberghe@student.kuleuven.ac.be >
> ^ Subject: Lattice of subgroups

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Dear Gap-Forum,

We have a problem with the lattice of subgroups of a perfect group. We =
thought that the lattice was found with cyclic extension methods in Gap. =
Now we have found several examples which in our opinion can not be =
found by cyclic extension. Our question is now: thus Gap work with =
cyclic extension to find de lattice of a perfect groups, (or to find the =
conjugacyrepresentatives) ??

Bj=F6rn
Last years student math
Waversebaan 255
3001 HEVERLEE
Belgium

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<DIV><FONT face=3DArial size=3D2>Dear Gap-Forum,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>We have a problem with the lattice of =
subgroups of=20
a perfect group.&nbsp; We thought that the lattice was found with cyclic =

extension methods in Gap.&nbsp; Now we have found several examples which =
in our=20
opinion can not be&nbsp;found by cyclic extension.&nbsp; Our question is =

now:&nbsp; thus Gap work with cyclic extension to find de lattice of a =
perfect=20
groups, (or to find the conjugacyrepresentatives) ??</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Bj=F6rn</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Last years student math</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Waversebaan 255</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>3001 =
HEVERLEE<BR>Belgium</FONT></DIV></BODY></HTML>

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