Finite Group Databasebeta

D992 #14520885

order1984
automorphismAut(G) order 476160
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD992

Splittings

FittingC31×C32 ⋊ C2
SylowC31 ⋊ D32

Subgroups

subgroupG/H
centerC2D496
commutator, cosocleC16×C31C22
FrattiniC16C2×D31
FittingC31×C32C2
socleC2×C31D16
hypercenterC32D31
hypocenterC31D32
LCSG ▷ C16×C31 ▷ C8×C31 ▷ C4×C31 ▷ C2×C31 ▷ C31
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 63
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 2 generators on 63 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32)(33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63);(2,32)(3,31)(4,30)(5,29)(6,28)(7,27)(8,26)(9,25)(10,24)(11,23)(12,22)(13,21)(14,20)(15,19)(16,18)(34,63)(35,62)(36,61)(37,60)(38,59)(39,58)(40,57)(41,56)(42,55)(43,54)(44,53)(45,52)(46,51)(47,50)(48,49)

Polycyclic presentation:

2^6,31|c^2=de,d^2=ef,e^2=f,b^a=bc,c^a=cd,d^a=de,e^a=ef,g^a=g^30,c^b=cd,d^b=de,e^b=ef,g^b=g^30

Conjugacy classes & character table

499 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#16843923, D1984, #16843925, …
maximal normal subgroup of#16843923, D1984, #16843925, …
maximal quotient of#16843890, #16843911, D1984, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 385);