The number of chains of subgroups of a finite cyclic group. (Q658010)
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scientific article; zbMATH DE number 5996463
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The number of chains of subgroups of a finite cyclic group. |
scientific article; zbMATH DE number 5996463 |
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The number of chains of subgroups of a finite cyclic group. (English)
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11 January 2012
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In this note a generating function of multi-variables for the number of chains of subgroups in the lattice of subgroups of a finite cyclic group is given. This leads to explicit formulas for the number of chains of subgroups in the lattice of subgroups of a finite cyclic group and for the central Delannoy numbers, simplifying the results of \textit{M. Tărnăuceanu}, [Eur. J. Comb. 30, No. 1, 283-287 (2009; Zbl 1161.20059)], and \textit{M. Tărnăuceanu} and \textit{L. Bentea}, [Fuzzy Sets Syst. 159, No. 9, 1084-1096 (2008; Zbl 1171.20043)].
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numbers of chains of subgroups
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finite cyclic groups
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generating functions
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lattices of subgroups
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