# aclib : a GAP 4 package - Index

A B D E H I M N O P R T

## A

Algorithms for almost crystallographic groups 2.0
AlmostCrystallographicDim3 3.1.1
AlmostCrystallographicDim4 3.1.1
AlmostCrystallographicGroup 3.1.1
AlmostCrystallographicInfo 3.3.1
AlmostCrystallographicPcpDim3 3.2.1
AlmostCrystallographicPcpDim4 3.2.1
AlmostCrystallographicPcpGroup 3.2.1

## B

Betti numbers 2.2
BettiNumber 2.2.2
BettiNumbers 2.2.3

## D

Determination of certain extensions 2.3

## E

Example computations I 4.1
Example computations II 4.2
Example computations III 4.3
Example computations with almost crystallographic groups 4.0

## H

HasExtensionOfType 2.3.1
HolonomyGroup 3.2.3

## I

IsAlmostBieberbachGroup 2.1.2
IsAlmostCrystallographic 2.1.1
IsomorphismPcpGroup 3.2.2

## M

More about almost crystallographic groups 1.1
More about the type and the defining parameters 3.3

## N

NaturalHomomorphismOnHolonomyGroup 3.2.3

## O

OrientationModule 2.2.1

## P

Polycyclically presented groups 3.2
Properties of almost crystallographic groups 2.1

## R

Rational matrix groups 3.1

## T

The Almost Crystallographic Groups Package 1.0
The catalog of almost crystallographic groups 3.0
The electronic versus the printed library 3.4

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