that's a weird subgroup of SL(2,C)pic.twitter.com/nrJupshylG
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Oh, and we can move some prescribed factors from the products in a way which preserves the determinant but makes it no longer symmetric. (The Jacobian theta functions have infinite products)