Reply To: Symbol for “is a normal subgroup of” Home › Forums › Nemeth Code for Math and Science › Symbol for “is a normal subgroup of” › Reply To: Symbol for “is a normal subgroup of” January 20, 2011 at 6:10 pm #20681 Chris ClemensKeymaster Thanks once again. I'm learning that higher math means sometimes having to "make it up as you go along". 🙂