Finite Group Databasebeta

D2912 #72210752

order5824
automorphismAut(G) order 3354624
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD2912

Splittings

FittingC7×C13×C32 ⋊ C2
HallC7×C13 ⋊ D32
SylowC13 ⋊ D224
SylowC7 ⋊ D416

Subgroups

subgroupG/H
centerC2D1456
commutator, cosocleC7×C13×C16C22
FrattiniC16C2×D91
FittingC7×C13×C32C2
socleC2×C7×C13D16
hypercenterC32D91
hypocenterC7×C13D32
LCSG ▷ C7×C13×C16 ▷ C7×C8×C13 ▷ C4×C7×C13 ▷ C2×C7×C13 ▷ C7×C13
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16 ◁ C32

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 52
transitive degreeμt(G) = 2912

A minimal faithful permutation representation — 2 generators on 52 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);(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)(34,39)(35,38)(36,37)(41,52)(42,51)(43,50)(44,49)(45,48)(46,47)

Polycyclic presentation:

2^6,7,13|b^2=cd,c^2=de,d^2=ef,e^2=f,b^a=bc,c^a=cd,d^a=de,e^a=ef,g^a=g^6,h^a=h^12

Conjugacy classes & character table

1459 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD5824, D8736, D14560, …
maximal normal subgroup ofD5824
maximal quotient ofD5824, Dic2912, D8736, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 7, 13]);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5*F.6);;
gap> SetPower(coll, 5, F.6);;
gap> SetConjugate(coll, 2, 1, F.2*F.3);;
gap> SetConjugate(coll, 3, 1, F.3*F.4);;
gap> SetConjugate(coll, 4, 1, F.4*F.5);;
gap> SetConjugate(coll, 5, 1, F.5*F.6);;
gap> SetConjugate(coll, 7, 1, F.7^6);;
gap> SetConjugate(coll, 8, 1, F.8^12);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);