Finite Group Databasebeta

D656 #13050106

order1312
automorphismAut(G) order 209920
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD656

Splittings

FittingC16×C41 ⋊ C2
SylowC41 ⋊ D16

Subgroups

subgroupG/H
centerC2D328
commutator, cosocleC8×C41C22
FrattiniC8C2×D41
FittingC16×C41C2
socleC2×C41D8
hypercenterC16D41
hypocenterC41D16
LCSG ▷ C8×C41 ▷ C4×C41 ▷ C2×C41 ▷ C41
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16

28 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 57
transitive degreeμt(G) = 656

A minimal faithful permutation representation — 2 generators on 57 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);(2,16)(3,15)(4,14)(5,13)(6,12)(7,11)(8,10)(18,57)(19,56)(20,55)(21,54)(22,53)(23,52)(24,51)(25,50)(26,49)(27,48)(28,47)(29,46)(30,45)(31,44)(32,43)(33,42)(34,41)(35,40)(36,39)(37,38)

Polycyclic presentation:

2^5,41|c^2=de,d^2=e,b^a=bc,c^a=cd,d^a=de,f^a=f^40,c^b=cd,d^b=de,f^b=f^40

Conjugacy classes & character table

331 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#14580171, D1312, #14580173, …
maximal normal subgroup of#14580171, D1312, #14580173, …
maximal quotient of#14580138, #14580162, D1312, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1312, 88);