- 1. [Abstract Algebra] Consider the symmetric group on 8 letters, S8. Compute the indicated product...
The following questions pertain to permutations in S8 (a) Decompose the permutation (1 2 3 4 5 6 7 %) into a product of disjoint 13 6 4 1 8 2 5 7 cycles. = (b) Decompose the permutation T= (1,4, 3) (5,7,6,8) into a product of transpositions. (c) Determine whether o and T are even or odd permutations. (d) Compute the product OT.
abstract-algebra Problem 10.2. Consider the following permutations f and g in the permutation group 56: f:145, 241, 366,44 3,5 H 2,6 H4; g=(1 6 5)( 24). (1) Write f as a product of disjoint cycles. (2) Find o(g). (3) Write fg as a product of disjoint cycles. (4) Write gf as a product of disjoint cycles. (5) Write gfg as a product of disjoint cycles. Hint. All should be straightforward. Be careful though.
Problem 10.3. Consider the following permutation f in the permutation group Sz: f:1-3, 2 H+ 6, 3 - 3, 4 +5,5 2),6 2,7 H 1. Furthermore, it is known that f is odd. (1) Determine f by writing f as a product of disjoint cycles. (2) Determine of). (3) Compute f17 by writing f17 as a product of disjoint cycles. (4) Write f as a product of transpositions. Hint. The fact that f e Sy should narrow it down to...
Let w e Sbe a permutation which rearranges 8 objects identified with letters, altering their positions to become as in the lower line of what follows: [A B C D E F G H (F DAEH C B G a) Express w as a product of disjoint cycles. Is w an even permutation, or an odd permutation? What is its order? b) Calculate wy, w and w-2 as products of disjoint cycles. c) Does there exist TE Sg for which...
This is all about abstract algebra of permutation group. 3. Consider the following permutations in S 6 5 3 489721)' 18 73 2 6 4 59 (a) Express σ and τ as a product of disjoint cycles. (b) Compute the order of σ and of τ (explaining your calculation). (c) Compute Tơ and στ. (d) Compute sign(a) and sign(T) (explaining your calculation) e) Consider the set Prove that S is a subgroup of the alternating group Ag (f) Prove that...