subgroup

CEFRB1

/ˈsʌbˌɡɹuːp/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A smaller group within a larger group.

  2. 02

    noun

    Extra detail

    A subset H of a group G that is itself a group and has the same binary operation as G.

Examples

  • Every subgroup of an abelian group is abelian.

  • The group has only one subgroup.

At a glance

Sits at B1 on the CEFR scale

Senses
4
Parts of speech
1
Citations
4
Synonyms
1

Deep Dive

noun

Extra meanings
  1. To divide or classify into subgroups

  2. A group within a larger group; a group whose members are some, but not all, of the members of a larger group.

More examples

In context
  • 1998, Robert A. Johnson, Prevalence of Substance Use Among Racial and Ethnic Subgroups in the United States, 1991-1993, Department of Health and Human Services, page B-11, Based on U.S. Bureau of the Census (1992c), other metropolitan areas that might be suit...

  • The most important application of dysprosium and terbium, which belong to a subgroup known as the heavy rare earths, is in devices called neodymium boron magnets, or neo magnets for short.

  • Much of the information about a group can be gleaned from a study of its subgroups. For these reasons it is important to study the subgroup structure of the almost simple groups, and in particular their maximal subgroups.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

Within the class, a small blank of students preferred math over science.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

From sub- + group.