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  2. List of small groups - Wikipedia

    en.wikipedia.org/wiki/List_of_small_groups

    Each group is named by Small Groups library as G o i, where o is the order of the group, and i is the index used to label the group within that order. Common group names: Z n: the cyclic group of order n (the notation C n is also used; it is isomorphic to the additive group of Z/nZ) Dih n: the dihedral group of order 2n (often the notation D n ...

  3. List of finite simple groups - Wikipedia

    en.wikipedia.org/wiki/List_of_finite_simple_groups

    Isomorphisms: 2 B 2 (2) is the Frobenius group of order 20. Remarks: Suzuki group are Zassenhaus groups acting on sets of size (2 2n+1) 2 + 1, and have 4-dimensional representations over the field with 2 2n+1 elements. They are the only non-cyclic simple groups whose order is not divisible by 3. They are not related to the sporadic Suzuki group.

  4. Category : Lists of groups with specific numbers of members

    en.wikipedia.org/wiki/Category:Lists_of_groups...

    Also included are groups in arts and entertainment (both fictional characters and performers or artists) and in history, and groups of abstract concepts. Criteria for inclusion: In order to be included in these lists, a group should be well known as a group, rather than being loosely associated people or concepts which happen to total to the ...

  5. Simple group - Wikipedia

    en.wikipedia.org/wiki/Simple_group

    These groups (the groups of Lie type, together with the cyclic groups, alternating groups, and the five exceptional Mathieu groups) were believed to be a complete list, but after a lull of almost a century since the work of Mathieu, in 1964 the first Janko group was discovered, and the remaining 20 sporadic groups were discovered or conjectured ...

  6. Glossary of group theory - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_group_theory

    order of a group The order of a group (G, •) is the cardinality (i.e. number of elements) of G. A group with finite order is called a finite group. order of a group element The order of an element g of a group G is the smallest positive integer n such that g n = e. If no such integer exists, then the order of g is said to be infinite.

  7. Size of groups, organizations, and communities - Wikipedia

    en.wikipedia.org/wiki/Size_of_groups...

    Groups of two persons (called by many names: dybs, pairs, couples, duos, etc.) are important either while standing alone or as building blocks of larger groupings. An infant requires a caregiver in order to survive, so life begins in a pair relationship that is apt to influence later ones.

  8. Classification of finite simple groups - Wikipedia

    en.wikipedia.org/wiki/Classification_of_finite...

    In mathematics, the classification of finite simple groups (popularly called the enormous theorem [1] [2]) is a result of group theory stating that every finite simple group is either cyclic, or alternating, or belongs to a broad infinite class called the groups of Lie type, or else it is one of twenty-six exceptions, called sporadic (the Tits group is sometimes regarded as a sporadic group ...

  9. Orders of magnitude (numbers) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(numbers)

    This list contains selected positive numbers in increasing order, including counts of things, ... (≈8.08 × 10 53) is the order of the monster group.