Finite Group Databasebeta
Cayley diagram

C2×C22⋊(C7⋊C8) #89978

order448
isoclinismisoclinic class of Dic14
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

direct productC2×C22⋊(C7⋊C8)

Splittings

SylowC7 ⋊ C2×C22⋊C8

Subgroups

subgroupG/H
centerC22×C4C2×D7
commutatorC2×C7C22×C8
FrattiniC2×C4C22×D7
FittingC23×C4×C7C2
socleC23×C7C2×C4
prime radicalC24×C7C4
cosocleC2×C4×C7C23
hypercenterC23×C4D7
hypocenterC7C2×C22⋊C8
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22×C4 ◁ C23×C4

202 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 21 points:

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11725418, #11725419, #11725423, …
maximal normal subgroup of#11725418, #11725419, #11725423, …
maximal quotient ofC2×#89319, C4×C22⋊(C7⋊C8), #11729284, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 740);