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Simple group information


In mathematics, a simple group is a nontrivial group whose only normal subgroups are the trivial group and the group itself. A group that is not simple can be broken into two smaller groups, namely a nontrivial normal subgroup and the corresponding quotient group. This process can be repeated, and for finite groups one eventually arrives at uniquely determined simple groups, by the Jordan–Hölder theorem.

The complete classification of finite simple groups, completed in 2004, is a major milestone in the history of mathematics.

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Simple group

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mathematics, a simple group is a nontrivial group whose only normal subgroups are the trivial group and the group itself. A group that is not simple can be broken...

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Simple Lie group

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a simple Lie group is a connected non-abelian Lie group G which does not have nontrivial connected normal subgroups. The list of simple Lie groups can...

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SIMPLE Group

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SIMPLE Group Limited is a conglomeration of separately run companies that each has its core area in International Consulting. The core business areas are...

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Classification of finite simple groups

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mathematics, the classification of finite simple groups is a result of group theory stating that every finite simple group is either cyclic, or alternating, or...

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List of finite simple groups

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classification of finite simple groups states that every finite simple group is cyclic, or alternating, or in one of 16 families of groups of Lie type, or one...

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Sporadic group

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of finite simple groups, there are a number of groups which do not fit into any infinite family. These are called the sporadic simple groups, or the sporadic...

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Almost simple group

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a group is said to be almost simple if it contains a non-abelian simple group and is contained within the automorphism group of that simple group – that...

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Reductive group

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classification of finite simple groups says that most finite simple groups arise as the group G(k) of k-rational points of a simple algebraic group G over a finite...

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Monster group

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known as group theory, the monster group M (also known as the Fischer–Griess monster, or the friendly giant) is the largest sporadic simple group, having...

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Simple

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Look up simple in Wiktionary, the free dictionary. Simple or SIMPLE may refer to: Simplicity, the state or quality of being simple Simple (album), by...

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List of simple groups

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List of simple groups may refer to: List of finite simple groups List of simple Lie groups This disambiguation page lists articles associated with the...

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Cyclic group

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abelian group is a direct product of cyclic groups. Every cyclic group of prime order is a simple group, which cannot be broken down into smaller groups. In...

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Tits group

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In group theory, the Tits group 2F4(2)′, named for Jacques Tits (French: [tits]), is a finite simple group of order    211 · 33 · 52 · 13 = 17,971,200...

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Quasisimple group

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mathematics, a quasisimple group (also known as a covering group) is a group that is a perfect central extension E of a simple group S. In other words, there...

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Group of Lie type

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finite simple groups of Lie type does have a precise definition, and they make up most of the groups in the classification of finite simple groups. The...

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Simple Minds

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Simple Minds are a Scottish rock band formed in Glasgow in 1977. They have released a string of hit singles, becoming best known internationally for "Don't...

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Characteristically simple group

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simple groups are sometimes also termed elementary groups. Characteristically simple is a weaker condition than being a simple group, as simple groups must...

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Finite group

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complete classification of finite simple groups was achieved, meaning that all those simple groups from which all finite groups can be built are now known....

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Absolutely simple group

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In mathematics, in the field of group theory, a group is said to be absolutely simple if it has no proper nontrivial serial subgroups. That is, G {\displaystyle...

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Strictly simple group

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In mathematics, in the field of group theory, a group is said to be strictly simple if it has no proper nontrivial ascendant subgroups. That is, G {\displaystyle...

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Alternating group

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smallest non-abelian simple group, having order 60, and the smallest non-solvable group. The group A4 has the Klein four-group V as a proper normal subgroup...

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Projective linear group

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special linear groups and alternating groups (these groups are all simple, as the alternating group over 5 or more letters is simple): L2(4) ≅ A5 L2(5)...

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Unitary group

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linear group GL(n, C), and it has as a subgroup the special unitary group, consisting of those unitary matrices with determinant 1. In the simple case n...

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Sylow theorems

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classification of finite simple groups. For a prime number p {\displaystyle p} , a Sylow p-subgroup (sometimes p-Sylow subgroup) of a group G {\displaystyle G}...

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5

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classification of finite simple groups, five is the count of exceptional Lie groups as well as the number of Mathieu groups that are sporadic groups. Five is also...

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Symplectic group

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matrices which represent the groups. In Cartan's classification of the simple Lie algebras, the Lie algebra of the complex group Sp(2n, C) is denoted Cn,...

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Symmetric group

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discussed in automorphism group, below. For n ≥ 5, Sn is an almost simple group, as it lies between the simple group An and its group of automorphisms. Sn...

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Semisimple Lie algebra

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mathematics, a Lie algebra is semisimple if it is a direct sum of simple Lie algebras. (A simple Lie algebra is a non-abelian Lie algebra without any non-zero...

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