单词 | Cyclic Group |
释义 | Cyclic GroupA cyclic group of Order is a Group defined by the element (theGenerator) and its Powers up to where is the Identity Element. Cyclic groups are both Abelian and Simple. There exists a unique cyclic group of every order , so cyclic groups of the same order are always isomorphic (Shanks 1993, p. 74), and all Groups of Prime Order are cyclic. Examples of cyclic groups include , , , and the Modulo Multiplication Groups such that , 4, , or , for an Odd Prime and (Shanks 1993, p. 92). Bycomputing the Characteristic Factors, any Abelian Group can be expressed as aDirect Product of cyclic Subgroups, for example, Finite Group Z2Z4 or Finite Group Z2Z2Z2. See also Abelian Group, Characteristic Factor, Finite Group Z2,Finite Group Z3, Finite Group Z4,Finite Group Z5, Finite Group Z6, Modulo Multiplication Group, Simple Group
Lomont, J. S. ``Cyclic Groups.'' §3.10.A in Applications of Finite Groups. New York: Dover, p. 78, 1987. Shanks, D. Solved and Unsolved Problems in Number Theory, 4th ed. New York: Chelsea, 1993. |
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