
Summary: In this paper, by studying three \(q\)-Catalan identities given by Andrews, we arrive at a certain number of congruences. These congruences are all modulo \(\Phi_n(q)\), the \(n\)-th cyclotomic polynomial or the related functions and modulo \(q\)-integers.
congruences, Catalan numbers, $q$-Catalan identities, Binomial coefficients; factorials; \(q\)-identities, \(q\)-integer, $q$-integer, QA1-939, Cyclotomic polynomial, Congruences; primitive roots; residue systems, cyclotomic polynomial, \(q\)-Catalan identities, Catalan numbers, Factorials, binomial coefficients, combinatorial functions, Congruences, Mathematics, Combinatorial identities, bijective combinatorics
congruences, Catalan numbers, $q$-Catalan identities, Binomial coefficients; factorials; \(q\)-identities, \(q\)-integer, $q$-integer, QA1-939, Cyclotomic polynomial, Congruences; primitive roots; residue systems, cyclotomic polynomial, \(q\)-Catalan identities, Catalan numbers, Factorials, binomial coefficients, combinatorial functions, Congruences, Mathematics, Combinatorial identities, bijective combinatorics
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