Finite Group Databasebeta

C7×C4⋊Dic9 #11758912

order1008
isoclinismisoclinic class of Dic18
automorphism?
homologyAbelianization (H1) = C2×C4×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×C4⋊Dic9
unambiguous semidirect productC4⋊(C7×Dic9)

Splittings

HallC7×C9 ⋊ C4⋊C4
SylowC9 ⋊ C7×C4⋊C4

Subgroups

subgroupG/H
centerC22×C7C2×D9
commutatorC2×C9C2×C4×C7
FrattiniC22×C3C2×D3×C7
FittingC2×C4×C7×C9C2
socle, prime radicalC22×C3×C7C2×D3
cosocleC22×C9C22×C7
hypercenterC2×C4×C7D9
hypocenterC9C7×C4⋊C4
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C22×C7 ◁ C2×C4×C7

78 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 1008

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

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

Conjugacy classes & character table

294 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1008, 83);