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Consider the group U(108). (a) Write U(108) as an external direct product of cyclic groups. (b)...
Consider the following groups of invertible elements: For each group, list its elements. What is the order? Is it cyclic? 「f not, is it isomorphic to some other group you can describe explicitly, e.g. a product Z/nZ x Z/mZ? Consider the following groups of invertible elements: For each group, list its elements. What is the order? Is it cyclic? 「f not, is it isomorphic to some other group you can describe explicitly, e.g. a product Z/nZ x Z/mZ?
(6) Consider the direct product group Z4 x 25 x 215 (a) Explain how the elements in this group look like and how is the operation defined. (b) What is the order of the group ZA * Z; x Z1s? Explain. (e) is the group Z4 Zs Zis cyclic? Why or why not? We were unable to transcribe this image
Find Aut(ℤ15). Use the Fundamental Theorem of Abelian Groups to express this group as an external direct product of cyclic groups of prime power order. Please provide as much work and explanation as is relevant.
1. Consider the group U(35) = {1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 19, 22, 23, 24, 26, 27, 29, 31, 32, 33, 34} under the operation of multiplication modulo 35. The orders of the elements are: g 1112 341689|11|12|13|16|17|18|19|22|23|24|26|27|29|31 | 32 | 33 34 ord(g) | 1 | 12 | 12 62 463 12 4 3 12 12 6 4 12 6 6 4 2 6 12 12 2 a. Find two p-groups...
(2) Consider the following groups of invertible elements For each group, list its elements. What is the order? Is it cyclic? If not, is it isomorphic to some other group you can describe explicitly, e.g. a product Z/nZ x Z/mZ?
Let A be the abelian group with generators a, b, c, d and relations 2a 4b + с, 4c-d-2b and a + b + c + d-0. Write A as the cartesian product of cyclic groups as in the classifaction theorem Let A be the abelian group with generators a, b, c, d and relations 2a 4b + с, 4c-d-2b and a + b + c + d-0. Write A as the cartesian product of cyclic groups as in the...
#2 3.6 Cartesian Products. Direct Products (ii) List the six ordered pairs of T X S. (iii) Does S XT=TX S for these sets S and T? 2. Explain why SXT=T S if and only if S = T, S Ø , or T =%. 3. How many elements are there in S T when S has m elements and ments? 4. Describe a bijection from (s x T) * U to S x ( T U ). 5. Let...
(Abstract Algebra) Please answer a-d clearly. Show your work and explain your answer. (a) Let G be a group of order 4 with identity e. Show that G is either cyclic or a2-e for all (b) Does the result of part (a) generalize to groups of order p2 for any positive integer p? In other words, is it the case that if G is a group of order p2 with identity e, then is either cyclic or a- e for...
Let A be the abelian group with generators a, b, c, d and relations 2a 4b + с, 4c-d-2b and a + b + c + d-0. Write A as the cartesian product of cyclic groups as in the classifaction theorem Let A be the abelian group with generators a, b, c, d and relations 2a 4b + с, 4c-d-2b and a + b + c + d-0. Write A as the cartesian product of cyclic groups as in the...
Answer to (a) is image = Z2 • {0,2} (where • is the external direct product). And the kernel is {e,r^2} (where r is the rotation). Answer to (c) is isomorphic to Z2 • Z2. Please show work. I’m given answers but need to see how to get there. Thanks (20 poiants) Amer aocat (a) (5 points) Identify the kernel and image of the homomorphism from D, to Z2 Z1 (the infinite cyclic group) given by the rules p(r) (1,0...