Question

(abstract alg) Let G be a cyclic group with more than two elements: a) Prove that...

(abstract alg) Let G be a cyclic group with more than two elements:

a) Prove that G has at least two different generators.

b) If G is finite, prove that G has an even number of generators

Homework Answers

Know the answer?
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
Similar Questions
Let G be a cyclic group, and let x1, x2 be two elements that generate G...
Let G be a cyclic group, and let x1, x2 be two elements that generate G . Show that f : G → G by the assignment f(x1) = x2 is an isomorphism.
Let G = <a> be a cyclic group of order 12. Describe explicitly all elements of...
Let G = <a> be a cyclic group of order 12. Describe explicitly all elements of Aut(G), the group of automorphisms of G. Indicate how you know that these are elements of Aut(G) and that these are the only elements of Aut(G).
Let G be a group of order 4. Prove that either G is cyclic or it...
Let G be a group of order 4. Prove that either G is cyclic or it is isomorphic to the Klein 4-group V4 = {1,(12)(34),(13)(24),(14)(23)}.
13. Let a, b be elements of some group G with |a|=m and |b|=n.Show that if...
13. Let a, b be elements of some group G with |a|=m and |b|=n.Show that if gcd(m,n)=1 then <a> union <b>={e}. 18. Let G be a group that has at least two elements and has no non-trivial subgroups. Show that G is cyclic of prime order. 20. Let A be some permutation in Sn. Show that A^2 is in An. Please give me steps in details, thanks a lot!
(A) Show that if a2=e for all elements a in a group G, then G must...
(A) Show that if a2=e for all elements a in a group G, then G must be abelian. (B) Show that if G is a finite group of even order, then there is an a∈G such that a is not the identity and a2=e. (C) Find all the subgroups of Z3×Z3. Use this information to show that Z3×Z3 is not the same group as Z9. (Abstract Algebra)
Let G be a cyclic group, and H be any group. (i) Prove that any homomorphism...
Let G be a cyclic group, and H be any group. (i) Prove that any homomorphism ϕ : G → H is uniquely determined by where it maps a generator of G. In other words, if G = <x> and h ∈ H, then there is at most one homomorphism ϕ : G → H such that ϕ(x) = h. (ii) Why is there ‘at most one’? Give an example where no such homomorphism can exist.
(Abstract algebra) Let G be a group and let H and K be subgroups of G...
(Abstract algebra) Let G be a group and let H and K be subgroups of G so that H is not contained in K and K is not contained in H. Prove that H ∪ K is not a subgroup of G.
Suppose that G is a cyclic group, with generator a. Prove that if H is a...
Suppose that G is a cyclic group, with generator a. Prove that if H is a subgroup of G then H is cyclic.
2.6.22. Let G be a cyclic group of order n. Let m ≤ n be a...
2.6.22. Let G be a cyclic group of order n. Let m ≤ n be a positive integer. How many subgroups of order m does G have? Prove your assertion.
prove that if G is a cyclic group of order n, then for all a in...
prove that if G is a cyclic group of order n, then for all a in G, a^n=e.