Article contents
The Normalizer Of Certain Modular Subgroups
Published online by Cambridge University Press: 20 November 2018
Extract
Introduction. Let G denote the multiplicative group of matrices
where a, b, c, d are integers and ad — bc = 1. G is one of the well-known modular groups. Let G0(n) denote the subgroup of G characterized by c ≡ 0 (mod n), where n is a positive integer. In this note we determine the normalizer of G0(n) in G, denoted by .
- Type
- Research Article
- Information
- Copyright
- Copyright © Canadian Mathematical Society 1956
References
- 5
- Cited by