1. Let p e Z be a prime number and set Zp = {- E Q: If gcd(n, m) = 1, then p {m. m a. Show that Z, < Q. b. Let Z(p®) be the quotient group Q/Zp. Show that Z(p®) is an infinite group. Hint: Show that Z(p®) contains an infinite subset.) c. Recall that a p-group is a group whose elements all have order some power of p. Show that the quotient group Z(p) is a p-group.
1. Let p e Z be a prime number and set Zp = {- E Q: If gcd(n, m) = 1, then p {m. m a. Show that Z, < Q. b. Let Z(p®) be the quotient group Q/Zp. Show that Z(p®) is an infinite group. Hint: Show that Z(p®) contains an infinite subset.) c. Recall that a p-group is a group whose elements all have order some power of p. Show that the quotient group Z(p) is a p-group.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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please answer b and c
Transcribed Image Text:1. Let p E Z be a prime number and set Z, = {- e Q : If gcd(n, m) = 1, then p {m}.
m
a. Show that Z, ª Q.
b. Let Z(p) be the quotient group Q/Zp. Show that Z(p) is an infinite group. Hint: Show that Z(p®)
contains an infinite subset.)
c. Recall that a p-group is a group whose elements all have order some power of p. Show that the quotient
group Z(p*) is a p-group.
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