mathematics, a permutation group is a group G whose elements are permutations of a given set M and whose group operation is the composition of permutations in G...
23 KB (3,367 words) - 22:43, 24 November 2024
In mathematics, a permutation of a set can mean one of two different things: an arrangement of its members in a sequence or linear order, or the act or...
77 KB (11,671 words) - 14:07, 29 May 2025
In mathematics, a permutation group G acting on a non-empty finite set X is called primitive if G acts transitively on X and the only partitions the G-action...
6 KB (924 words) - 15:13, 6 October 2023
finite group theory, a rank 3 permutation group acts transitively on a set such that the stabilizer of a point has 3 orbits. The study of these groups was...
10 KB (765 words) - 21:35, 3 June 2023
establish properties of the group G. Permutation groups and matrix groups are special cases of transformation groups: groups that act on a certain space...
39 KB (5,086 words) - 18:26, 11 April 2025
1873). They are multiply transitive permutation groups on 11, 12, 22, 23 or 24 objects. They are the first sporadic groups to be discovered. Sometimes the...
22 KB (2,168 words) - 05:07, 15 March 2025
which is structured in such a way that information about how a group of permutations acts on a set can be simply read off from the coefficients and exponents...
27 KB (4,997 words) - 17:43, 18 May 2025
n {\displaystyle n} factorial) such permutation operations, the order (number of elements) of the symmetric group S n {\displaystyle \mathrm {S} _{n}}...
46 KB (6,212 words) - 09:18, 3 June 2025
2. Such multiply transitive permutation groups can be defined for any natural number k. Specifically, a permutation group G acting on n points is k-transitive...
5 KB (637 words) - 22:18, 13 March 2025
where Sn is the symmetric group of degree n. As a permutation group, the group is the signed symmetric group of permutations π either of the set { −...
15 KB (1,341 words) - 13:33, 14 May 2025
the permutations of X (i.e. the bijective functions from X to X) fall into two classes of equal size: the even permutations and the odd permutations. If...
18 KB (2,876 words) - 17:15, 26 March 2025
used to obtain those positions, and so the group of symmetries of a square is isomorphic to the permutation group generated by (1234) and (13). The symmetries...
15 KB (1,028 words) - 22:33, 28 May 2025
{\displaystyle G} as a group of permutations, or as a group of permutation matrices. The term also refers to the combination of the two. A permutation representation...
4 KB (715 words) - 15:02, 25 December 2020
mathematics, a generalized permutation matrix (or monomial matrix) is a matrix with the same nonzero pattern as a permutation matrix, i.e. there is exactly...
6 KB (899 words) - 21:04, 14 April 2025
Galois theory (redirect from Galois group of a polynomial)
equations that are solvable by radicals in terms of properties of the permutation group of their roots—an equation is by definition solvable by radicals if...
32 KB (4,211 words) - 00:50, 27 April 2025
Cayley's theorem (redirect from Cayley's Group Theorem)
a subgroup of the symmetric group Sym ( G ) {\displaystyle \operatorname {Sym} (G)} whose elements are the permutations of the underlying set of G....
13 KB (1,626 words) - 00:17, 18 May 2025
them. For a more elementary discussion of Galois groups in terms of permutation groups, see the article on Galois theory. Suppose that E {\displaystyle E}...
18 KB (3,230 words) - 14:59, 31 May 2025
theory of permutation groups such as the order of an element of a group, conjugacy, and the cycle decomposition of elements of permutation groups. Ruffini...
32 KB (3,571 words) - 09:09, 15 May 2025
cyclic group C2. Sims (1973) proved the existence of such a group and its uniqueness up to isomorphism with a combination of permutation group theory...
9 KB (567 words) - 03:24, 29 March 2025
other rank 3 permutation groups on 100 points. They soon focused on a possible one containing the Mathieu group M22, which has permutation representations...
20 KB (1,525 words) - 08:40, 24 January 2025
M24 is one of the 26 sporadic groups and was introduced by Mathieu (1861, 1873). It is a 5-transitive permutation group on 24 objects. The Schur multiplier...
30 KB (3,022 words) - 08:05, 24 February 2025
an n-dimensional representation of the symmetric group of order n!, called the natural permutation representation, which consists of permuting n coordinates...
20 KB (2,840 words) - 18:38, 26 February 2025
in particular in group theory, a cyclic permutation is a permutation consisting of a single cycle. In some cases, cyclic permutations are referred to as...
13 KB (2,039 words) - 05:13, 6 June 2024
A1(9) and to the derived group B2(2)′. A8 is isomorphic to A3(2). Remarks: An index 2 subgroup of the symmetric group of permutations of n points when n > 1...
46 KB (1,789 words) - 11:28, 3 August 2024
(the other is the Janko group J3). It was constructed by Marshall Hall and David Wales (1968) as a rank 3 permutation group on 100 points. Both the Schur...
11 KB (909 words) - 07:06, 30 January 2025
a permutation of the labels 1 to 48, depending on the position of each facet. Using this representation, the solved cube is the identity permutation which...
14 KB (2,054 words) - 18:35, 29 May 2025
Although the group of all permutations of a set depends formally on the set, the concept of group action allows one to consider a single group for studying...
46 KB (5,742 words) - 17:46, 24 May 2025
Schreier–Sims algorithm (category Permutation groups)
computational group theory, named after the mathematicians Otto Schreier and Charles Sims. This algorithm can find the order of a finite permutation group, determine...
7 KB (971 words) - 19:53, 19 June 2024
alternating group is the group of even permutations of a finite set. The alternating group on a set of n elements is called the alternating group of degree...
17 KB (1,539 words) - 05:01, 21 October 2024
memory permitting. Finite groups can be defined as groups of permutations and it is also possible to define finitely presented groups by specifying generators...
7 KB (791 words) - 05:32, 18 December 2024