The integral cohomology of the Bianchi groups

Berkove, Ethan

doi:10.1090/S0002-9947-05-03700-1

The integral cohomology of the Bianchi groups
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Trans. Amer. Math. Soc. 358 (2006), 1033-1049 Request permission

Abstract:

We calculate the integral cohomology ring structure for various members of the Bianchi group family. The main tools we use are the Bockstein spectral sequence and a long exact sequence derived from Bass-Serre theory.

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