Finite Group Databasebeta
Cayley diagram

C4×C22⋊D7 #6491

order224
isoclinismisoclinic class of Dic14
automorphismAut(G) = C26×AGL(1,𝔽7) (order 2688) · Inn(G) = C2×D7 · Out(G) = C25×C3
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC4×C22⋊D7

Splittings

FittingC22×C4×C7 ⋊ C2
SylowC7 ⋊ C4×D4

Subgroups

subgroupG/H
centerC2×C4C2×D7
commutatorC2×C7C22×C4
FrattiniC22C22×D7
FittingC22×C4×C7C2
socle, cosocleC22×C7C23
prime radicalC2×C22⋊D7C2
hypercenterC22×C4D7
hypocenterC7C4×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ C22×C4

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(C22⋊D7)⋊C8, #89500, #89501, …
maximal normal subgroup of(C22⋊D7)⋊C8, #89500, #89501, …
maximal quotient ofC4×Dic7⋊C4, #89705, C4×(C2×D7)⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 123);