Normal subgroups of prime power index Normal subgroups of prime power index are kernels of surjective maps to p-groups and have interesting structure, as described at Focal subgroup theorem: Subgroups and elaborated at focal subgroup theorem. Set up Navigation MenuAfter installing this template, go to Template — Edit HTML and find following code. You can help by adding to it. (December 2015) Critical reception for ABCs of Death 2 has been mostly positive. It currently has a 76% «Fresh» rating on film review aggregate website Rotten Tomatoes with an average rating of 6.1/10 based on 29 reviews. Help Save to Mendeley Save to RefWorks RIS (for EndNote, ReferenceManager, ProCite) BibTeX Text Citation Only Citation and Abstract Close This document does not have an outline.