In mathematics, more specifically group theory, the three subgroups lemma is a result concerning commutators. It is a consequence of Philip Hall and Ernst Witt's eponymous identity.
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In mathematics, more specifically group theory, the threesubgroupslemma is a result concerning commutators. It is a consequence of Philip Hall and Ernst...
Z_{2},G]=[[G,Z_{2}],G]=[[Z_{2},G],G]\subseteq [Z_{1},G]=1.} By the threesubgroupslemma (or equivalently, by the Hall-Witt identity), it follows that [G...
{\mathcal {L}}_{X}Y} . Structure constants Super Jacobi identity Threesubgroupslemma (Hall–Witt identity) C. G. J. Jacobi (1862), §26, Theorem V. T....
process Isoclinism of groups Regular p-group Threesubgroupslemma Hall algebra, and Hall polynomials Hall subgroup Hall–Higman theorem Hall–Littlewood polynomial...
T are subgroups. The product of two subgroups S and T of a group G is itself a subgroup of G if and only if ST = TS. If S and T are subgroups of G, their...
mathematics, and more specifically in homological algebra, the splitting lemma states that in any abelian category, the following statements are equivalent...
In differential geometry, the Margulis lemma (named after Grigory Margulis) is a result about discrete subgroups of isometries of a non-positively curved...
correspondence between the set of subgroups of G {\displaystyle G} containing N {\displaystyle N} and the set of (all) subgroups of G / N {\displaystyle G/N}...
P as containing the original groups G and H as subgroups. These subgroups of P have the following three important properties: (Saying again that we identify...
pair for every G-normal subgroup N of K. For many purposes it suffices to consider K without any such non-identity normal subgroups. The action of G on the...
ring ...). The general linear group GL(n, K) and its subgroups, particularly its Lie subgroups (including the special linear group SL(n, K), orthogonal...
entirely to subgroups invariant under the action of elements from Ω, called Ω-subgroups. Thus Ω-composition series must use only Ω-subgroups, and Ω-composition...
to the identity), three elements such that their product on one fixed side is always itself (the projections onto the threesubgroups of order two), and...
with the identity, form a subgroup of order 3, index 2, and the swaps of two blocks, each with the identity, form threesubgroups of order 2, index 3. The...
construct Sudokus and related tables of numbers. Namely, one has to take subgroups and quotient groups into account: Take for example Z n ⊕ Z n {\displaystyle...
finitely generated subgroups are finitely presented) and, moreover, locally quasiconvex (that is where all finitely generated subgroups are quasiconvex)...
p'} -subgroups of the centralizers of nonidentity elements in one or several given noncyclic elementary abelian p {\displaystyle p} -subgroups of G ...
e, a subgroup H, and a normal subgroup N ◁ G, the following statements are equivalent: G is the product of subgroups, G = NH, and these subgroups have...
elements mod n; the kernels are called the principal congruence subgroups. A noteworthy subgroup of the projective general linear group PGL(2, Z) (and of the...
the free modules over the integers. Lattice theory studies free abelian subgroups of real vector spaces. In algebraic topology, free abelian groups are...