normal series

American  

noun

Mathematics.

1. a collection of subgroups of a given group so arranged that the first subgroup is the identity, the last subgroup is the group itself, and each subgroup is a normal subgroup of the succeeding subgroup.

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Example Sentences

They took place from Monday 20 June until Tuesday 5 July, after the end of the normal series of exams.

From BBC • Jul. 15, 2022

If this were any other series, Smith and Warner’s return would be the only story - but this is no normal series.

From The Guardian • Aug. 1, 2019

“We never bother to explain why Sherlock Holmes and Dr. Watson are in the modern world in the normal series; why should we bother explaining now that we’re back in Victorian times?”

From Time • Oct. 7, 2015

In a normal series you can have a couple of bad games and still win it.

From The Guardian • May 1, 2013

Head injuries, which play such a significant part in the study of criminalistics, find no place in our mentally normal series, but should always be kept in mind in considering the border-line types.

From Pathology of Lying, accusation, and swindling: a study in forensic psychology by Healy, William