Zetas
Zetas is the plural of zeta, the sixth letter of the Greek alphabet. In academic and scientific contexts, zeta appears as a symbol used to designate a variety of concepts, quantities, or identifiers, often reflecting a naming convention rather than a particular object.
The most widely known use is in mathematics and related fields through the Riemann zeta function, denoted
In astronomy, zeta is used in star designations under the Bayer system, where a given constellation may
Los Zetas refers to a prominent Mexican criminal organization formed in the late 1990s by former members