Note on a subgroup of the modular group
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- by M. Newman and J. R. Smart PDF
- Proc. Amer. Math. Soc. 14 (1963), 102-104 Request permission
References
- Morris Newman, The structure of some subgroups of the modular group, Illinois J. Math. 6 (1962), 480–487. MR 140583
- Jakob Nielsen, The commutator group of the free product of cyclic groups, Mat. Tidsskr. B 1948 (1948), 49–56 (Danish). MR 29378 O. Schreier, Die Untergruppen der freien Gruppen, Hamburger Abh. 5 (1927), 161-183. J. R. Smart, Modular forms of dimension $- 2$ for subgroups of the modular group, Thesis, Michigan State Univ., East Lansing, Mich., 1961.
Additional Information
- © Copyright 1963 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 14 (1963), 102-104
- MSC: Primary 20.65
- DOI: https://doi.org/10.1090/S0002-9939-1963-0143816-9
- MathSciNet review: 0143816