Finite Group Databasebeta
Cayley diagram

C7⋊(C9⋊C8) #92579

order504
isoclinismisoclinic class of D63
automorphism?
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(C9⋊C8)
unambiguous semidirect productC9⋊(C7⋊C8)

Splittings

derived, HallC7×C9 ⋊ C8
SylowC9 ⋊ C7⋊C8
SylowC7 ⋊ C9⋊C8

Subgroups

subgroupG/H
center, hypercenterC4D63
commutator, hypocenterC7×C9C8
FrattiniC3×C4D21
Fitting, cosocleC4×C7×C9C2
socle, prime radicalC2×C3×C7Dic3
LCSG ▷ C7×C9
UCSC1 ◁ C4

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 504

A minimal faithful permutation representation — 2 generators on 24 points:

(2,3)(4,5)(6,7)(9,11)(10,14)(12,13)(15,16)(17,18,19,21,20,22,23,24);(1,2,4,6,7,5,3)(8,16,11,14,13,12,10,9,15)

Polycyclic presentation:

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

Conjugacy classes & character table

132 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×C7⋊C8, #11758854, D7×C9⋊C8, …
maximal normal subgroup ofD9×C7⋊C8, #11758854, D7×C9⋊C8, …
maximal quotient ofC7⋊(C9⋊C16), C2×C7⋊(C9⋊C8), C7⋊(C27⋊C8), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 5);