most citedCongruence subgroups and crystallographic quotients of small Coxeter groups

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math.GR2022★ 2 cited

Congruence subgroups and crystallographic quotients of small Coxeter groups

Pravin Kumar, Tushar Kanta Naik, Mahender Singh

Small Coxeter groups are precisely the ones for which the Tits representation is integral, which makes the study of their congruence subgroups relevant. The symmetric group h…