Finite Group Databasebeta
Cayley diagram

C2×C3⋊(C7⋊C8) #66626

order336
isoclinismisoclinic class of D21
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

direct productC2×C3⋊(C7⋊C8)
unambiguous semidirect product(C2×C3)⋊(C7⋊C8)
unambiguous semidirect product(C2×C7)⋊(C3⋊C8)

Splittings

derived, HallC3×C7 ⋊ C2×C8
SylowC7 ⋊ C2×C3⋊C8
SylowC3 ⋊ C2×C7⋊C8

Subgroups

subgroupG/H
center, hypercenterC2×C4D21
commutator, hypocenterC3×C7C2×C8
FrattiniC4C2×D21
FittingC2×C3×C4×C7C2
socle, prime radicalC22×C3×C7C4
cosocleC3×C4×C7C22
LCSG ▷ C3×C7
UCSC1 ◁ C2×C4

44 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 2 generators on 20 points:

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

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3⋊C8×Dic7, Dic3×C7⋊C8, #10620487, …
maximal normal subgroup ofC3⋊C8×Dic7, Dic3×C7⋊C8, #10620487, …
maximal quotient ofC4×C3⋊(C7⋊C8), C4⋊(C3⋊(C7⋊C8)), C2×C3⋊(C7⋊C16), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(336, 95);