Z2 may refer to: *

Z2 (computer) The Z2 was an electromechanical (mechanical and relay-based) digital computer that was completed by Konrad Zuse in 1940. It was an improvement on the Z1 Zuse built in his parents' home, which used the same mechanical memory. In the Z2, he repla ...

, a computer created by Konrad Zuse * Z2 (company), video game developer *

Z2 Comics Z2 Comics is an American publisher of graphic novels, comic books, and popular culture merchandise. Known for its music-related projects and partnership with musical acts, the company uses "a data-driven approach to identify acts with strong follo ...

, a publisher of graphic novels *

\mathbb_2

, the

quotient ring In ring theory, a branch of abstract algebra, a quotient ring, also known as factor ring, difference ring or residue class ring, is a construction quite similar to the quotient group in group theory and to the quotient space in linear algebra. ...

of the ring of integers modulo the ideal of even numbers, alternatively denoted by

\mathbb/2\mathbb

* Z₂, the

cyclic group In abstract algebra, a cyclic group or monogenous group is a Group (mathematics), group, denoted C_n (also frequently \Z_n or Z_n, not to be confused with the commutative ring of P-adic number, -adic numbers), that is Generating set of a group, ge ...

of order 2 *

GF(2) (also denoted \mathbb F_2, or \mathbb Z/2\mathbb Z) is the finite field with two elements. is the Field (mathematics), field with the smallest possible number of elements, and is unique if the additive identity and the multiplicative identity ...

, the

Galois field In mathematics, a finite field or Galois field (so-named in honor of Évariste Galois) is a field that contains a finite number of elements. As with any field, a finite field is a set on which the operations of multiplication, addition, subtr ...

of 2 elements, alternatively written as Z₂ * Z₂, the standard axiomatization of

second-order arithmetic In mathematical logic, second-order arithmetic is a collection of axiomatic systems that formalize the natural numbers and their subsets. It is an alternative to axiomatic set theory as a foundation of mathematics, foundation for much, but not all, ...

* ''Z²'' (album), an album by Devin Townsend * German destroyer Z2 ''Georg Thiele'', a Type 1934 destroyer in the German Kriegsmarine * USS ''Ringgold'' (DD-500), a destroyer transferred to the German Navy as Z-2 in 1959 *

Westinghouse Airships Z-2 Airship Industries was a British manufacturers of modern non-rigid airships (blimps) active under that name from 1980 to 1990 and controlled for part of that time by Alan Bond. The first company, Aerospace Developments, was founded in 1970, and a ...

blimp prototype for the U.S. Navy *

Kawasaki Z2 ''For the 1970s two cylinder 750, see Kawasaki 750'' The Kawasaki Z750, also called Z2, is a four cylinder motorcycle made by Kawasaki as part of their Z series, introduced in 1973 for the Japanese market. Regulations at the time mandated a max ...

, a motorcycle *

RAID-Z2 ZFS (previously Zettabyte File System) is a file system with volume management capabilities. It began as part of the Sun Microsystems Solaris operating system in 2001. Large parts of Solaris, including ZFS, were published under an open source ...

, a way to combine multiple disk drives in a computer * '' Zelda II: The Adventure of Link'', the second video game in the ''Legend of Zelda'' series * ''

Zork II ''Zork'' is a text adventure game first released in 1977 by developers Tim Anderson, Marc Blank, Bruce Daniels, and Dave Lebling for the PDP-10 mainframe computer. The original developers and others, as the company Infocom, expanded and s ...

'', a computer game * A wireless speaker system from

Bowers & Wilkins Bowers & Wilkins, commonly known as B&W, is a British company that produces consumer and professional loudspeakers and headphones. The company was founded in 1966 in Worthing, West Sussex, England. In October 2020, it was acquired by Sound U ...

* ''

Philippines AirAsia Philippines AirAsia, Inc. is a Philippine low-cost airline based at Ninoy Aquino International Airport in Pasay, Metro Manila. The airline is the Philippine affiliate of the Malaysian AirAsia. The airline started as a joint venture among three F ...

'', an airline based in Pasay, Philippines * The

Sony Xperia Z2 The Sony Xperia Z2 is an Android-based smartphone unveiled, manufactured, and marketed by Sony and was released in April 2014. Under the codename "Sirius", Xperia Z2 serves as the successor to the Sony Xperia Z1. Like its predecessor, the Xperia ...

, an Android smartphone * '' Zebraman 2: Attack on Zebra City'', a 2010 film * ''

Zoolander 2 ''Zoolander 2'' (promoted as ''Zoolander No. 2'') is a 2016 American action comedy film co-produced and directed by Ben Stiller who wrote the script alongside Justin Theroux, John Hamburg, and Nicholas Stoller. The sequel to the 2001 film '' Zo ...

'', a 2016 film

See also