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math/gp-grpconst,

*GAP package for finding isomorphism classes of finite groups*

**Branch:** pkgsrc-2007Q4,

**Version: **2.0nb1,

**Package name:** gp-grpconst-2.0nb1,

**Maintainer: **cjepGrpConst is a GAP 4 package for constructing all groups of a given

finite order (up to isomorphism).

FrattiniExtensionMethod constructs all soluble groups of a given

order.

CyclicSplitExtensionMethod constructs all (necessarily soluble) groups

whose given orders are of the form pn .q for different primes p and q

and which have at least one normal Sylow subgroup.

UpwardsExtensions takes as its input a permutation group G and

positive integer s and returns a list of permutation groups, one for

each extension of G by a soluble group of order a divisor of s.

The programs in this package have been used to construct a large part

of the Small Groups library.

### Master sites:

**SHA1:** c27f03144db0944b4fdcb9ad756f8eb4b391650f

**RMD160:** fafc3f168457a3d88af06d866d43f64b02f624b1

**Filesize:** 65.917 KB

### Version history: (Expand)

- (
**2008-01-12**) Package added to pkgsrc.se, version **gp-grpconst-2.0nb1** (created)