Is korean girl group f(x)..?

i know that theyre popular now.. but ive heard that theyre supposed to be the female shinee am i rite? i have eard people are saying that theyre the female shinee and some say that theyre not. so are they or not? and if they are? which one is supposed to represent which? i know that probably its amber and minho since theyre the both main rappers..? but, who are they, like, the female version of..? like 2ne1 and big bang.. thanks guys..!