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Abstract
Let
p
be an odd prime number. We show that there exists a finite group of order
p p + 3 for which the
mod
p cycle map
from the mod
p
Chow ring of its classifying space to its ordinary mod
p
cohomology is not injective.
Keywords
Chow ring, cycle map, classifying space, finite group
Mathematical Subject Classification 2010
Primary: 14C15
Secondary: 55R40, 55R35
Milestones
Received: 5 June 2015
Revised: 9 January 2016
Accepted: 2 February 2016
Published: 3 September 2016