Quote Originally Posted by Akka
There is no lambda symbol in the game on the shield.
There is (somehow absurdly) the Macedon faction which have this very Spartan symbol as faction banner ( ), but that's all.
That symbol: Λ is an upper case lambda in both ancient and modern Greek. I think it's only present on the faction banner, as said before. I'm not certain why they chose that for Macedon, other than it looks cool. Maybe I'll pester my Greek ex-girlfriend and see if she knows.