ON THE CLASSIFICATION OF GROUPS OF PRIME-POWER ORDER BY COCLASS: THE 3-GROUPS OF COCLASS 2

Author:

EICK BETTINA1,LEEDHAM-GREEN C. R.2,NEWMAN M. F.3,O'BRIEN E. A.4

Affiliation:

1. Institut Computational Mathematics, Universität Braunschweig, 38016 Braunschweig, Germany

2. School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London E1 4NS, UK

3. Mathematical Sciences Institute, Australian National University, ACT 0200, Australia

4. Department of Mathematics, University of Auckland, Auckland, New Zealand

Abstract

In this paper we take a significant step forward in the classification of 3-groups of coclass 2. Several new phenomena arise. Theoretical and computational tools have been developed to deal with them. We identify and are able to classify an important subset of the 3-groups of coclass 2. With this classification and further extensive computations, it is possible to predict the full classification. On the basis of the work here and earlier work on the p-groups of coclass 1, we formulate another general coclass conjecture. It implies that, given a prime p and a positive integer r, a finite computation suffices to determine the p-groups of coclass r.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Mathematics

Cited by 11 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. The origins of Coclass Theory;Archiv der Mathematik;2023-06-27

2. Orbit isomorphic skeleton groups;Algebra and Discrete Mathematics;2023

3. Galois trees in the graph of p-groups of maximal class;Journal of Algebra;2022-08

4. Bicyclic commutator quotients with one non-elementary component;Mathematica Bohemica;2022-05-03

5. FINITEp-GROUPS AND COCLASS THEORY;Bulletin of the Australian Mathematical Society;2020-12-01

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