Being unable to grasp what its for, and only being capable of two comparisons, they have made their complex calculation. Since it doesnt look like Harry Potter it is obviously Russias equivalent of the swastika. Also some are saying its related to Q as in Qanon.
https://twitter.com/kamilkazani/status/1500495309595725831?t=kp3vmidXVeemkG4e3cFVHw&s=19
An obscure reference, the Z tactical markings on vechicles remind me of the Zaibatsu cars in
Grand Theft Auto 2
https://i.imgur.com/V83XpSj.png