An Introduction to Group Rings

to Group Rings by Cesar Polcino Milies Instituto de Matematica e Estatistica Universidade de sao Paulo sao Paulo Brasil and Sudarshan K. Sehgal Department of Mathematical and Statistical Sciences University of Alberta Edmonton. Canada SPRINGER-SCIENCE+BUSINESS MEDIA B.V. A c.I.P. Catalogue record for this book is available from the Library of Congress. ISBN 978-1-4020-0239-7 ISBN 978-94-010-0405-3 (eBook) DOI 10.1007/978-94-010-0405-3 Printed an acid-free paper AII Rights Reserved © 2002 Springer Science+Business Media Dordrecht Originally published by Kluwer Academic Publishers in 2002 Softcover reprint ofthe hardcover Ist edition 2002 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means electronic or mechanical inc1uding photocopying recording Of by any information storage and retrieval system without written permis sion from the copyright owner. Contents Preface ix 1 Groups 1 1.1 Basic Concepts . . . . . . . . . . . . 1 1.2 Homomorphisms and Factor Groups 10 1.3 Abelian Groups . 18 1.4 Group Actions p-groups and Sylow Subgroups 21 1.5 Solvable and Nilpotent Groups 27 1.6 FC Groups .