Finite Group Databasebeta
Cayley diagram

C2×#1131 #6463

order224
isoclinismisoclinic class of Dic14
automorphismAut(G) = C2×#120×AGL(1,𝔽7) (order 2688) · Inn(G) = C2×D7 · Out(G) = C22×C3×D4
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productC2×#1131

Splittings

FittingC2×C7×C8 ⋊ C2
SylowC7 ⋊ C2×M16

Subgroups

subgroupG/H
centerC2×C4C2×D7
commutatorC2×C7C22×C4
FrattiniC4C22×D7
FittingC2×C7×C8C2
socleC22×C7C2×C4
prime radicalC22×D7C4
cosocleC4×C7C23
hypercenterC2×C8D7
hypocenterC7C2×M16
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ C2×C8

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#89309, C4×#1131, #89460, …
maximal normal subgroup of#89309, C4×#1131, #89460, …
maximal quotient of#89451, #89457, C4×#1131, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 95);