Girls, is this weird and/or creepy?

I really like a girl from one of my classes at the university. We're both 20-21 and she really seems like a cool girl to talk to. The thing is that she is always with her friends after class. I don't want to ask her out in front of her friends. I don't have her as a friend on Facebook (nor any mutual friends) but I found her profile using her first name. Will it be creepy if I sent her a message saying that she's a really cool girl and that I would like to get to know her?
Girls, is this weird and/or creepy?
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