Finite Group Databasebeta
Cayley diagram

D147 #64416

order294
isoclinismisoclinic class of D147
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD147
unambiguous semidirect productC3⋊D49
unambiguous semidirect productC49⋊D3

Splittings

Fitting, derived, HallC3×C49 ⋊ C2
SylowC49 ⋊ D3
SylowC3 ⋊ D49

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC3×C49C2
FrattiniC7D21
socleC3×C7D7
LCSG ▷ C3×C49
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 52
transitive degreeμt(G) = 147

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

Polycyclic presentation:

2,3,7^2|c^7=d^6,b^a=b^2,c^a=c^6d,d^a=d^6

Conjugacy classes & character table

75 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×D49, C2×D147, D441, …
maximal normal subgroup ofD3×D49, C2×D147, C3⋊(D49⋊C3), …
maximal quotient ofDic147, C2×D147, D441, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(294, 5);