Picard modular surface

Okay kiddo, today we're going to talk about something called the Picard modular surface. It's like a really cool shape that mathematicians like to study and figure out more about.

Now imagine you're playing with some building blocks, like Legos. You can stack them together to make different shapes, right? Well, the Picard modular surface is like a really fancy shape made out of a bunch of blocks that mathematicians call fundamental domains.

These fundamental domains are kind of like puzzle pieces that fit together perfectly to make the Picard modular surface. But they don't look like regular squares or triangles - they're actually really weird shapes that only mathematicians can fully understand!

Now, the Picard modular surface actually has a lot of really interesting properties that mathematicians love to study. For example, it has something called an automorphism group, which sounds complicated but just means that there are certain ways you can rotate or flip the Picard modular surface that don't change what it looks like.

Overall, the Picard modular surface is a really fun thing for mathematicians to think about and try to understand. Who knows, maybe one day you'll be a mathematician and get to play with things like the Picard modular surface too!