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octad
octad (ˈɒktæd) [ad. L. octas, octad-, a. Gr. ὀκτάς, -άδα a group of eight: see -ad 1 a.] 1. A group or series of eight; spec. in ancient systems of arithmetical notation: A group or series of eight characters corresponding to successive powers of ten (analogous to the groups of six figures marking m...
Oxford English Dictionary
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Octad
Octad ('group of 8') or octade may refer to:
Octad (chord), octachord in music theory
Octad (computing), a group of 8 bits in computing
Octad (biology
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Miracle Octad Generator
In mathematics, the Miracle Octad Generator, or MOG, is a mathematical tool introduced by Rob T. Notes
References
External links
The Miracle Octad Generator
Sporadic groups
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octa-
octa- (ˈɒktə) Gr. ὀκτα-, comb. form of ὀκτώ eight, with which it varies in some words. Most of the English derivatives of octa- appear in their places as main words; the following are of minor importance: octachronous (-ˈækrənəs) a. Pros. [Gr. χρόνος time] = octasemic. octacolic (-ˈkɒlɪk) a. Pros. [...
Oxford English Dictionary
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Octet (computing)
The term octad(e) for eight bits is no longer common. Octad
Historically, in Western Europe, the term octad (or octade) was used to specifically denote eight bits, a usage no longer common.
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Ennead (disambiguation)
collection of writings of the philosopher Plotinus
The Ennead (novel), by Jan Mark, 1978
Ennead Architects, an American architectural firm
See also
9
Octad
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How to actually construct the $S(3,6,22)$ Steiner system? The question is in the title. I see writte about these special Steiner systems quite frequently, but no explicit description how to construct them. In my cas...
Pick those six from an octad $B$ of $S(5,8,24)$. Then select two elements $u,v\in B$.
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Ascus
Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division. Typically, a single ascus will contain eight ascospores (or octad). The eight spores are produced by meiosis followed by a mitotic division.
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Heptad
in computing
Heptad repeat, a structural motif in proteins
L'Heptade, an album by Harmonium in 1976
See also
Hexad (disambiguation) ('group of 6')
Octad
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Mog
Places
Monghsat Airport (IATA code: MOG), Monghsat, Burma
Moorgate railway station, London, UK, National Rail code
Science and mathematics
Miracle Octad
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Conway group Co1
An image of an octad or 16-set has a centralizer of the form 21+8.O8+(2), a maximal subgroup. Co3
21+8.O8+(2) centralizer of involution class 2A (image of octad from Aut(Λ))
Fi21:S3 ≈ U6(2):S3 The lift to Aut(Λ) is the symmetry group of a coplanar
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Mathieu group M24
Octad subgroup
The subgroup fixing one of the 759 (= 3·11·23) octads of the Golay code or Steiner system is the octad group
24:A8, order 322560, with The pointwise stabilizer O of an octad is an abelian group of order 16, exponent 2, each of whose involutions moves all 16 points outside the octad.
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Hexacode
The hexacode can be used to describe the Miracle Octad Generator
of R. T. Curtis.
References
Coding theory
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Mathieu group
An introduction to a construction of W24 via the Miracle Octad Generator of R. T.
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David Wynne (composer)
Caerphilly Festival
Symphony No.4; incomplete
Cymric Rhapsody No.1 (1965)
Prelude (1968)
Cymric Rhapsody No.2 (1969)
Divertimento for string orchestra (1974)
Octad
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