Finite Group Databasebeta
Cayley diagram

C2×C4×C7⋊C9 #92593

order504
isoclinismisoclinic class of ΓL(1,𝔽8)
automorphismAut(G) = C3×D4×AGL(1,𝔽7) (order 1008) · Inn(G) = ΓL(1,𝔽8) · Out(G) = C2×C3×D4
homologyAbelianization (H1) = C2×C4×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×C4×C7⋊C9
unambiguous semidirect product(C2×C4×C7)⋊C9

Splittings

derived, SylowC7 ⋊ C2×C4×C9
HallC2×C4×C7 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2×C3×C4ΓL(1,𝔽8)
commutator, hypocenterC7C2×C4×C9
FrattiniC2×C3C22×ΓL(1,𝔽8)
FittingC2×C3×C4×C7C3
socle, prime radicalC22×C3×C7C2×C3
cosocleC2×C3×C7C22×C3
LCSG ▷ C7
UCSC1 ◁ C2×C3×C4

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 504

A minimal faithful permutation representation — 2 generators on 22 points:

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

Conjugacy classes & character table

120 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×(C7⋊C8)⋊C9, #1136⋊C9, C4×Dic7⋊C9, …
maximal normal subgroup ofC2×(C7⋊C8)⋊C9, #1136⋊C9, C4×Dic7⋊C9, …
maximal quotient ofC42×C7⋊C9, C22⋊C4×C7⋊C9, C4⋊C4×C7⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(504, 19);