1) There seems to be a slight problem with the mailing list server.
In the header of a recent message I find:
From: Martin Schoenert <email@example.com>
In-reply-to: firstname.lastname@example.org's message of Fri, 3 Dec 93 03:54 MET <m0p9tZJ-0003KiC@bert.math.rwth-aachen.de>
Subject: Re: space management
Reply-To: GAP-FORUM Distribution List <gap-forum@samson>
When I reply to this I get (a copy of) my message bounced as
gap-forum@samson (the reply-to line) is not valid from here.
My messages get CC'd to the correct address, so they do get through.
2) A report (and small gloat): I've just used my new GAP double
coset enumerator to construct (implicitly) permutations for Fi23
acting on the cosets of S8(2), a subgroup of index just over 86
million, gathered into 592 double cosets with respect to a group S9.
The double coset enumerator should be available as a share library
within a few months.
3) A small avoidable inefficiency: In the function
DoubleCosetGroupOps.Size, computing the size of HgK, if |H| < |K|
it would be much faster to swap round and compute the size of
K g^-1 H.