Does Google OAuth work inside an iframe?

Question

I was wondering if Google OAuth from iframe works? I tried to look at it, but could not find what I was looking for, so any understanding would be appreciated!

Reference Information. When I use my web application with Google OAuth in a regular window, it’s fine, but when I try to use it inside an iframe, it just leads me to a blank page, and does not allow me to choose which account I want to sign in with.

Thank you for your help!