New nonarithmetic complex hyperbolic lattices II

Martin Deraux, John R. Parker, Julien Paupert

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We describe a general procedure to produce fundamental domains for complex hyperbolic triangle groups. This allows us to produce new nonarithmetic lattices, bringing the number of known nonarithmetic commensurability classes in PU(2, 1) to 22.

Original languageEnglish (US)
Pages (from-to)133-205
Number of pages73
JournalMichigan Mathematical Journal
Issue number1
StatePublished - Mar 2021

ASJC Scopus subject areas

  • Mathematics(all)


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