Finite Group Databasebeta
Cayley diagram

C4⋊(C7⋊C16) #89257

order448
isoclinismisoclinic class of Dic14
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊(C7⋊C16)

Splittings

SylowC7 ⋊ C4⋊C16

Subgroups

subgroupG/H
center, FrattiniC2×C8C2×D7
commutatorC2×C7C2×C16
FittingC4×C7×C8C2
socle, prime radicalC22×C7C2×C8
cosocleC2×C7×C8C22
hypercenterC4×C8D7
hypocenterC7C4⋊C16
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C8 ◁ C4×C8

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 2 generators on 27 points:

(1,2,4,6,7,5,3)(8,9,10,11);(2,3)(4,5)(6,7)(9,11)(12,13,14,17,15,18,20,23,16,19,21,24,22,25,26,27)

Polycyclic presentation:

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725245, #11725246, #11725273, …
maximal normal subgroup of#11725245, #11725246, #11725273, …
maximal quotient of#11725245, #11725246, C4⋊(C7⋊C32), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 19);