Finite Group Databasebeta
Cayley diagram

C4×D28 #6436

order224
isoclinismisoclinic class of Dic14
automorphismAut(G) = C22×#120×AGL(1,𝔽7) (order 5376) · Inn(G) = C2×D7 · Out(G) = C23×C3×D4
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC4×D28

Splittings

FittingC42×C7 ⋊ C2
SylowC7 ⋊ C4×D4

Subgroups

subgroupG/H
centerC2×C4C2×D7
commutatorC2×C7C22×C4
FrattiniC22C22×D7
FittingC42×C7C2
socle, cosocleC22×C7C23
prime radicalC2×D28C2
hypercenterC42D7
hypocenterC7C4×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ C42

94 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 3 generators on 15 points:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#89254, #89278, C8×D28, …
maximal normal subgroup of#89254, #89278, C8×D28, …
maximal quotient of#89425, #89437, #89440, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 68);