Class Number

In mathematics, class number may refer to

  • Class number (group theory), the number of conjugacy classes of a group
  • The size of the ideal class group of a number ring
  • The number of equivalence classes of binary quadratic forms of a given discriminant

Famous quotes containing the words class and/or number:

    “There is only one class in the community that thinks more about money than the rich, and that is the poor. The poor can think of nothing else.”
    —Oscar Wilde (1854–1900)

    “The more elevated a culture, the richer its language. The number of words and their combinations depends directly on a sum of conceptions and ideas; without the latter there can be no understandings, no definitions, and, as a result, no reason to enrich a language.”
    —Anton Pavlovich Chekhov (1860–1904)