Geodesic
Characters of projective representations of the infinite generalized symmetric group
Sbornik. Mathematics, Tome 199 (2008) no. 10, pp. 1421-1450

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By the infinite generalized symmetric group we mean the group $B_m=\mathfrak{S}_\infty\ltimes\mathbb{Z}_m^\infty$, where $\mathbb{Z}_m^\infty$ is the group of all sequences $\{z_k\}_{k=1}^\infty$ in $\mathbb{Z}_m$ containing only finitely many non-zero elements $z_k$ and $\mathfrak{S}_\infty$ is the group of all finitely supported permutations of the positive integers. A complete description of the projective factor representations of $B_m$ of finite type is obtained. Bibliography: 18 titles. 
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     title = {Characters of projective representations of the infinite generalized symmetric group},
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A. V. Dudko; N. I. Nessonov. Characters of projective representations of the infinite generalized symmetric group. Sbornik. Mathematics, Tome 199 (2008) no. 10, pp. 1421-1450. http://geodesic.mathdoc.fr/item/SM_2008_199_10_a0/