Finite Group Databasebeta

D4048 #72211289

order8096
automorphismAut(G) order 7124480
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD4048

Splittings

FittingC11×C16×C23 ⋊ C2
HallC11×C23 ⋊ D16
SylowC23 ⋊ D176
SylowC11 ⋊ D368

Subgroups

subgroupG/H
centerC2D2024
commutator, cosocleC8×C11×C23C22
FrattiniC8C2×D253
FittingC11×C16×C23C2
socleC2×C11×C23D8
hypercenterC16D253
hypocenterC11×C23D16
LCSG ▷ C8×C11×C23 ▷ C4×C11×C23 ▷ C2×C11×C23 ▷ C11×C23
UCSC1 ◁ C2 ◁ C4 ◁ C8 ◁ C16

56 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 50
transitive degreeμt(G) = 4048

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

Polycyclic presentation:

2^5,11,23|b^2=cd,c^2=de,d^2=e,b^a=bc,c^a=cd,d^a=de,f^a=f^10,g^a=g^22

Conjugacy classes & character table

2027 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD8096, D12144, D20240, …
maximal normal subgroup ofD8096
maximal quotient ofD8096, Dic4048, D12144, …

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");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 11, 23]);;
gap> SetPower(coll, 2, F.3*F.4);;
gap> SetPower(coll, 3, F.4*F.5);;
gap> SetPower(coll, 4, F.5);;
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, 6, 1, F.6^10);;
gap> SetConjugate(coll, 7, 1, F.7^22);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);