- #1

DeldotB

- 117

- 8

## Homework Statement

Good day all,

Im completely stumped on how to show this:

|AN|=(|A||N|/A intersect N|)

Here: A and N are subgroups in G and N is a normal subgroup.

I denote the order on N by |N|

## Homework Equations

[/B]

Second Isomorphism Theorem

## The Attempt at a Solution

Well, I know know I am supposed to use the theorem, but I have no idea where to start!

I don't seem how to relate what the theorem says to orders of sets...

Any help would be greatly appreciated!