the commutator subgroup or derived subgroup of a group is the subgroup generated by all the commutators of the group. The commutator subgroup is important...
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commutators is closed and is called the derived group or the commutator subgroup of G. Commutators are used to define nilpotent and solvable groups and the...
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characteristic subgroup is normal; though the converse is not guaranteed. Examples of characteristic subgroups include the commutator subgroup and the center...
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group theory, a group is said to be perfect if it equals its own commutator subgroup, or equivalently, if the group has no non-trivial abelian quotients...
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Special linear group (section Lie subgroup)
related subgroups, which in some cases coincide with SL, and in other cases are accidentally conflated with SL, are the commutator subgroup of GL, and...
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Abelian group (redirect from Abelian subgroup)
Commutator subgroup – Smallest normal subgroup by which the quotient is commutative Abelianization – Quotienting a group by its commutator subgroup Dihedral...
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Transfer (group theory) (section Commutator subgroup)
{\displaystyle \textstyle \prod _{i=1}^{n}h_{i}} in H/H′, where H′ is the commutator subgroup of H. The order of the factors is irrelevant since H/H′ is abelian...
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Solvable group (redirect from Solvable subgroup)
G^{(2)}\triangleright \cdots ,} where every subgroup is the commutator subgroup of the previous one, eventually reaches the trivial subgroup of G. These two definitions...
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and the commutator subgroup [ G , G ] {\displaystyle [G,G]} . More generally, since conjugation is an isomorphism, any characteristic subgroup is a normal...
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Free group (redirect from Free subgroup)
ranks. The commutator subgroup of a free group of rank k > 1 has infinite rank; for example for F(a,b), it is freely generated by the commutators [am, bn]...
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Finitely generated group (redirect from Finitely-generated subgroup)
unique up to isomorphism. A subgroup of a finitely generated group need not be finitely generated. The commutator subgroup of the free group F 2 {\displaystyle...
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Lovász conjecture.) Cayley graphs on nilpotent groups with cyclic commutator subgroup are Hamiltonian. The flip graph of a convex polygon or equivalently...
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Central series (category Subgroup series)
central series is a kind of normal series of subgroups or Lie subalgebras, expressing the idea that the commutator is nearly trivial. For groups, the existence...
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L ( n , R ) {\displaystyle \mathrm {SL} (n,\mathbb {R} )} is the commutator subgroup of the general linear group G L ( n , R ) {\displaystyle \mathrm...
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gh = hg. commutator subgroup The commutator subgroup or derived subgroup of a group is the subgroup generated by all the commutators of the group. composition...
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ring A {\displaystyle A} is the universal central extension of the commutator subgroup of the stable general linear group of A {\displaystyle A} . It is...
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letters and denoted by An or Alt(n). For n > 1, the group An is the commutator subgroup of the symmetric group Sn with index 2 and has therefore n!/2 elements...
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center of E and [ , ] denotes the commutator. Equivalently, a group is quasisimple if it is equal to its commutator subgroup and its inner automorphism group...
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a group whose commutator subgroup is abelian. Equivalently, a group G is metabelian if and only if there is an abelian normal subgroup A such that the...
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is the commutator subgroup of [4,3,3]. A high-index reflective subgroup is the prismatic octahedral symmetry, [4,3,2] (), order 96, subgroup index 4...
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Coxeter notation (section Commutator subgroups)
elements have only a single rotational/translational subgroup of order 2, which is also the commutator subgroup, examples [3,3]+, [3,5]+, [3,3,3]+, [3,3,5]+....
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Lie group (redirect from Lie subgroup)
the identity, and the Lie bracket of the Lie algebra is related to the commutator of two such infinitesimal elements. Before giving the abstract definition...
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Centralizer and normalizer (redirect from Self-normalizing subgroup)
A, then S ⊆ NA(S). Commutator Double centralizer theorem Idealizer Multipliers and centralizers (Banach spaces) Stabilizer subgroup Kevin O'Meara; John...
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of E/F is WE/F = WF/W c E (where the superscript c denotes the commutator subgroup). For more details about Weil groups see (Artin & Tate 2009) or (Tate...
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which is non-abelian, and the subgroup is an arithmetic subgroup and in particular does not contain the commutator subgroup. Commutativity of the convolution...
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not simple, but it contains the simple commutator subgroup 2F4(2)′. So, if the infinite family of commutator groups of type 2F4(22n+1)′ is considered...
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groups G/Z(G) (the inner automorphism group) and G′ (the commutator subgroup) and the commutator map from G/Z(G) × G/Z(G) to G′ (taking a, b to aba−1b−1)...
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General linear group (section Other subgroups)
The special linear group is also the derived group (also known as commutator subgroup) of the GL(n, F) (for a field or a division ring F) provided that...
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its quotient by its commutator subgroup. An IA automorphism is thus an automorphism that sends each coset of the commutator subgroup to itself. The IA automorphisms...
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Every metacyclic group is supersolvable. The commutator subgroup of a supersolvable group is nilpotent. Subgroups and quotient groups of supersolvable groups...
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