Exercise 15.5.9. Given a group G, suppose that G = (a). Prove that G = (a-!). Exercise 15.5.10. (a) Show that Zn is cyclic for any integer n >1 by identifying a number a such that (a) = Zn. (b) For n > 2, show that Zn has at least 2 generators by finding a number bn such that (bn) = Zn.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.4: Cyclic Groups
Problem 19E
icon
Related questions
Question

Please do Exercise 15.5.10 part A and B

Exercise 15.5.9. Given a group G, suppose that G =
(a). Prove that
G = (a-!).
Exercise 15.5.10.
(a) Show that Zn is cyclic for any integer n > 1 by identifying a number a
such that (a) = Z,.
(b) For n > 2, show that Z, has at least 2 generators by finding a number
b, such that (bn) = Zn.
Transcribed Image Text:Exercise 15.5.9. Given a group G, suppose that G = (a). Prove that G = (a-!). Exercise 15.5.10. (a) Show that Zn is cyclic for any integer n > 1 by identifying a number a such that (a) = Z,. (b) For n > 2, show that Z, has at least 2 generators by finding a number b, such that (bn) = Zn.
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,