In mathematics, a sporadic group is one of the 26 exceptional groups found in the classification of finite simple groups. A simple group is a group G that does not have any normal subgroups except for
In the area of modern algebra known as group theory, the Suzuki group Suz or Sz is a sporadic simple group of order 213 · 37 · 52 · 7 · 11 · 13 = 448345497600≈ 4×1011.
Monster group
In the area of abstract algebra known as group theory, the monster group M (also known as the Fischer–Griess monster, or the friendly giant) is the largest sporadic simple group, having order   246 ·
Monstrous moonshine
In mathematics, monstrous moonshine, or moonshine theory, is the unexpected connection between the monster group M and modular functions, in particular, the j function. The term was coined by John Con
In the area of modern algebra known as group theory, the McLaughlin group McL is a sporadic simple group of order 27 ⋅ 36 ⋅ 53 ⋅ 7 ⋅ 11 = 898,128,000≈ 9×108.
Janko group J3
In the area of modern algebra known as group theory, the Janko group J3 or the Higman-Janko-McKay group HJM is a sporadic simple group of order 27 · 35 · 5 · 17 · 19 = 50232960.
O'Nan group
In the area of abstract algebra known as group theory, the O'Nan group O'N or O'Nan–Sims group is a sporadic simple group of order 29 · 34 · 5 · 73 · 11 · 19 · 31= 460815505920≈ 5×1011.
Mathieu group M12
In the area of modern algebra known as group theory, the Mathieu group M12 is a sporadic simple group of order 12 · 11 · 10 · 9 · 8 = 26 · 33 · 5 · 11 = 95040.
Conway group Co1
In the area of modern algebra known as group theory, the Conway group Co1 is a sporadic simple group of order 221 · 39 · 54 · 72 · 11 · 13 · 23= 4157776806543360000≈ 4×1018.
Conway group
In the area of modern algebra known as group theory, the Conway groups are the three sporadic simple groups Co1, Co2 and Co3 along with the related finite group Co0 introduced by (Conway , ). The larg
Mathieu group M23
In the area of modern algebra known as group theory, the Mathieu group M23 is a sporadic simple group of order 27 · 32 · 5 · 7 · 11 · 23 = 10200960≈ 1 × 107.
Baby monster group
In the area of modern algebra known as group theory, the baby monster group B (or, more simply, the baby monster) is a sporadic simple group of order 241 · 313 · 56 · 72 · 11 · 13 · 17 · 19 · 23 · 31
Janko group J4
In the area of modern algebra known as group theory, the Janko group J4 is a sporadic simple group of order 221 · 33 · 5 · 7 · 113 · 23 · 29 · 31 · 37 · 43= 86775571046077562880≈ 9×1019.
In mathematics, the Miracle Octad Generator, or MOG, is a mathematical tool introduced by Rob T. Curtis for manipulating the Mathieu groups, binary Golay code and Leech lattice.
Janko group J2
In the area of modern algebra known as group theory, the Janko group J2 or the Hall-Janko group HJ is a sporadic simple group of order 27 · 33 · 52 · 7 = 604800≈ 6×105.
Tits group
In group theory, the Tits group 2F4(2)′, named for Jacques Tits (French: [tits]), is a finite simple group of order 211 · 33 · 52 · 13 = 17,971,200. It is sometimes considered a 27th sporadic group.
Fischer group Fi22
In the area of modern algebra known as group theory, the Fischer group Fi22 is a sporadic simple group of order 217 · 39 · 52 · 7 · 11 · 13= 64561751654400≈ 6×1013.
Mathieu groupoid
In mathematics, the Mathieu groupoid M13 is a groupoid acting on 13 points such that the stabilizer of each point is the Mathieu group M12. It was introduced by Conway and studied in detail by .
In the area of modern algebra known as group theory, the Harada–Norton group HN is a sporadic simple group of order 214 · 36 · 56 · 7 · 11 · 19= 273030912000000≈ 3×1014.
Mathieu group
In group theory, a topic in abstract algebra, the Mathieu groups are the five sporadic simple groups M11, M12, M22, M23 and M24 introduced by Mathieu . They are multiply transitive permutation groups
Lyons group
In the area of modern algebra known as group theory, the Lyons group Ly or Lyons-Sims group LyS is a sporadic simple group of order 28 · 37 · 56 · 7 · 11 · 31 · 37 · 67= 51765179004000000≈ 5×1016.
Supersingular prime (moonshine theory)
In the mathematical branch of moonshine theory, a supersingular prime is a prime number that divides the order of the Monster group M, which is the largest sporadic simple group. There are precisely f
Leech lattice
In mathematics, the Leech lattice is an even unimodular lattice Λ24 in 24-dimensional Euclidean space, which is one of the best models for the kissing number problem. It was discovered by John Leech.
Rudvalis group
In the area of modern algebra known as group theory, the Rudvalis group Ru is a sporadic simple group of order 214 · 33 · 53 · 7 · 13 · 29= 145926144000≈ 1×1011.
Janko group J1
In the area of modern algebra known as group theory, the Janko group J1 is a sporadic simple group of order 23 · 3 · 5 · 7 · 11 · 19 = 175560≈ 2×105.
Fischer group Fi24
In the area of modern algebra known as group theory, the Fischer group Fi24 or F24′ is a sporadic simple group of order 221 · 316 · 52 · 73 · 11 · 13 · 17 · 23 · 29= 1255205709190661721292800≈ 1×1024.
Conway group Co2
In the area of modern algebra known as group theory, the Conway group Co2 is a sporadic simple group of order 218 · 36 · 53 · 7 · 11 · 23= 42305421312000≈ 4×1013.
Higman–Sims group
In the area of modern algebra known as group theory, the Higman–Sims group HS is a sporadic simple group of order 29⋅32⋅53⋅7⋅11 = 44352000≈ 4×107. The Schur multiplier has order 2, the outer automorph
Classification of finite simple groups
In mathematics, the classification of the finite simple groups is a result of group theory stating that every finite simple group is either cyclic, or alternating, or it belongs to a broad infinite cl
Mathieu group M11
In the area of modern algebra known as group theory, the Mathieu group M11 is a sporadic simple group of order 24 · 32 · 5 · 11 = 11 · 10 · 9 · 8 = 7920.
Janko group
No description available.
Fischer group
In the area of modern algebra known as group theory, the Fischer groups are the three sporadic simple groups Fi22, Fi23 and Fi24 introduced by Bernd Fischer .
Pariah group
In group theory, the term pariah was introduced by Robert Griess in to refer to the six sporadic simple groups which are not subquotients of the monster group. The twenty groups which are subquotients
II25,1
In mathematics, II25,1 is the even 26-dimensional Lorentzian unimodular lattice. It has several unusual properties, arising from Conway's discovery that it has a norm zero Weyl vector. In particular i
Conway group Co3
In the area of modern algebra known as group theory, the Conway group is a sporadic simple group of order 210 · 37 · 53 · 7 · 11 · 23= 495766656000≈ 5×1011.
Mathieu group M24
In the area of modern algebra known as group theory, the Mathieu group M24 is a sporadic simple group of order 210 · 33 · 5 · 7 · 11 · 23 = 244823040≈ 2×108.
List of finite simple groups
In mathematics, the classification of finite simple groups states that every finite simple group is cyclic, or alternating, or in one of 16 families of groups of Lie type, or one of 26 sporadic groups