Abstract
A group G having a normal subgroup K can be “factored” into K and G/K. The study of extensions involves the inverse question: Given K ⊲ G and G/K, to what extent can one recapture G?
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Author information
Authors and Affiliations
Rights and permissions
Copyright information
© 1995 Springer-Verlag New York, Inc.
About this chapter
Cite this chapter
Rotman, J.J. (1995). Extensions and Cohomology. In: An Introduction to the Theory of Groups. Graduate Texts in Mathematics, vol 148. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-4176-8_7
Download citation
DOI: https://doi.org/10.1007/978-1-4612-4176-8_7
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4612-8686-8
Online ISBN: 978-1-4612-4176-8
eBook Packages: Springer Book Archive