Question

Consider the additive group ℤ(20). (a) How many subgroups does ℤ(20) have? List all the subgroups....

Consider the additive group ℤ(20).

(a) How many subgroups does ℤ(20) have? List all the subgroups. For each of them, give at least one generator.

(b) Describe the subgroup < 2 > ∩ < 5 > (give all the elements, order of the group, and a generator).

(c) Describe the subgroup <2, 5> (give all the elements, order of the group, and a generator).

0 0
Add a comment Improve this question Transcribed image text
Answer #1

20 res atos 乙. 0

Add a comment
Know the answer?
Add Answer to:
Consider the additive group ℤ(20). (a) How many subgroups does ℤ(20) have? List all the subgroups....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 4. (a) (3 points) List all the subgroups of the symmetric group S3. (b) (4 points)...

    4. (a) (3 points) List all the subgroups of the symmetric group S3. (b) (4 points) List all the normal subgroups of Sz. (c) (3 points) Show that the quotient of S3 by any nontrivial normal subgroup is a cyclic group.

  • 2. In this problem, we will prove the following result: fG is a group of order 35, then G is isom...

    Please answer all the four subquestions. Thank you! 2. In this problem, we will prove the following result: fG is a group of order 35, then G is isomorphic to Z3 We will proceed by contrd cuon, so throughout the ollowing questions assume hat s grou o or ㎢ 3 hat s not cyc ić. M os hese uuestions can bc le nuc endent 1. Show that every element of G except the identity has order 5 or 7. Let...

  • Please prove C D E F in details? 'C. Let G be a group that is...

    Please prove C D E F in details? 'C. Let G be a group that is DOE smDe Follow the steps indicated below; make sure to justify all an Assuming that G is simple (hence it has no proper normal subgroups), proceed as fo of order 90, The purpose of this exercise is to show, by way of contradiction. How many Sylow 3sukgroups does G have? How many Sylow 5-subgroups does G ht lain why the intersection of any two...

  • The Sylow theorems state the following facts about a finite group G, of order |G| =...

    The Sylow theorems state the following facts about a finite group G, of order |G| = p^m (with p prime, k positive integer, and p not dividing m) a Sy1: There exist subgroups in G of size p*, called Sylow p-subgroups particular prime p, are conjugate Sy2: All Sylow p-subgroups in G, for a Sy3: The number of Sylow p-subgroups in G is congruent to 1 modulo p, and this number divides m Consider the symmetric group S9 of permutations...

  • ANSWER 1 & 2 please. Show work for my understanding and upvote. THANK YOU!! 1. Consider the subgroups H-〈(123)〉 a...

    ANSWER 1 & 2 please. Show work for my understanding and upvote. THANK YOU!! 1. Consider the subgroups H-〈(123)〉 and K-〈(12)(34)〉 of the alternating group A123), (12) (34)). Carry out the following steps for both of these subgroups. When writing a coset, list all of its elements. (a) Write A as a disjoint union of the subgroup's left cosets. (b) Write A4 as a disjoint union of the subgroup's right cosets. (c) Determine whether the subgroup is normal in A...

  • Let Fn be a free group of rank n. (a) Show that Fn contains a subgroup...

    Let Fn be a free group of rank n. (a) Show that Fn contains a subgroup isomorphic to Fk whenever 1 <k <n. (b) Show that F2 contains subgroups isomorphic to Fk for all k > 2, and hence that Fn contains subgroups isomorphic to Fk for all k > 1. (c) Can an infinite group be generated by two elements of finite order? If so, then give an example. If not, then explain why not.

  • How many elements of the specified order does the given permutation group have? Order 10 in...

    How many elements of the specified order does the given permutation group have? Order 10 in S10

  • Consider the following groups of invertible elements: For each group, list its elements. What i...

    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?

  • please show step by step solution with a clear explanation! 2. Let G be a group...

    please show step by step solution with a clear explanation! 2. Let G be a group of order 21. Use Lagrange's Theorem or its consequences discussed in class to solve the following problems: (a) List all the possible orders of subgroups of G. (Don't forget the trivial subgroups.) (b) Show that every proper subgroup of G is cyclic. (c) List all the possible orders of elements of G? (Don't forget the identity element.) (d) Assume that G is abelian, so...

  • 4 Let G be an unknown group of order 8. By the First Sylow Theorem, G must contain a subgroup H of order 4 (a) If al...

    4 Let G be an unknown group of order 8. By the First Sylow Theorem, G must contain a subgroup H of order 4 (a) If all subgroups of G of order 4 are isomorphic to V then what group must G be? Completely justify your answer. (b) Next, suppose that G has a subgroup H one of the following C Then G has a Cayley diagram like Find all possibilities for finishing the Cayley diagram. (c) Label each completed...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT