\makelabel{cohomolo:Cohomology}{1} \makelabel{cohomolo:CHR}{1.1} \makelabel{cohomolo:CHR}{1.1.1} \makelabel{cohomolo:SchurMultiplier}{1.2} \makelabel{cohomolo:SchurMultiplier}{1.2.1} \makelabel{cohomolo:CoveringGroup}{1.3} \makelabel{cohomolo:CoveringGroup}{1.3.1} \makelabel{cohomolo:FirstCohomologyDimension}{1.4} \makelabel{cohomolo:FirstCohomologyDimension}{1.4.1} \makelabel{cohomolo:SecondCohomologyDimension}{1.5} \makelabel{cohomolo:SecondCohomologyDimension}{1.5.1} \makelabel{cohomolo:SplitExtensionCHR}{1.6} \makelabel{cohomolo:SplitExtensionCHR}{1.6.1} \makelabel{cohomolo:NonsplitExtension}{1.7} \makelabel{cohomolo:NonsplitExtension}{1.7.1} \makelabel{cohomolo:CalcPres}{1.8} \makelabel{cohomolo:CalcPres}{1.8.1} \makelabel{cohomolo:PermRep}{1.9} \makelabel{cohomolo:PermRep}{1.9.1} \makelabel{cohomolo:Further Information}{1.10} \makelabel{cohomolo:Index}{}