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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

Asymptotic formulas related to free products of cyclic groups


Author: Morris Newman
Journal: Math. Comp. 30 (1976), 838-846
MSC: Primary 10H25; Secondary 20E30
MathSciNet review: 0466047
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Abstract: Asymptotic formulas for the number of subgroups of a given index of the free product of finitely many cyclic groups are given. The classical modular group $ \Gamma $ is discussed in detail, and a table of the number of subgroups of $ \Gamma $ of index n is given for $ 1 \leqslant n \leqslant 100$.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0025-5718-1976-0466047-9
PII: S 0025-5718(1976)0466047-9
Keywords: Free products, cyclic groups, free groups, classical modular group, asymptotic formulas, tables
Article copyright: © Copyright 1976 American Mathematical Society