Finite Group Databasebeta
Cayley diagram

C3×C7⋊C8 #4234

order168
isoclinismisoclinic class of D7
automorphismAut(G) = C23×AGL(1,𝔽7) (order 336) · Inn(G) = D7 · Out(G) = C23×C3
homologyAbelianization (H1) = C3×C8 · Schur multiplier (H2) = C1

Aliases

direct productC3×C7⋊C8

Splittings

derived, SylowC7 ⋊ C3×C8
HallC3×C7 ⋊ C8

Subgroups

subgroupG/H
center, hypercenterC3×C4D7
commutator, hypocenterC7C3×C8
FrattiniC4C3×D7
FittingC3×C4×C7C2
socle, prime radicalC2×C3×C7C4
cosocleC4×C7C2×C3
LCSG ▷ C7
UCSC1 ◁ C3×C4

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 168

A minimal faithful permutation representation — 2 generators on 18 points:

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

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×C7⋊C8, D21⋊C8, #66558, …
maximal normal subgroup ofD3×C7⋊C8, D21⋊C8, #66558, …
maximal quotient ofC3×C7⋊C16, C2×C3×C7⋊C8, C9×C7⋊C8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 4);