Finite Group Databasebeta
Cayley diagram

(C22⋊D7)⋊C4 #6444

order224
automorphismAut(G) = C26×AGL(1,𝔽7) (order 2688) · Inn(G) = C22×D7 · Out(G) = C24×C3
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product(C22⋊D7)⋊C4

Splittings

FittingC7×C22⋊C4 ⋊ C2
SylowC7 ⋊ C4×D4

Subgroups

subgroupG/H
center, FrattiniC22C22×D7
commutatorC2×C7C22×C4
FittingC7×C22⋊C4C2
socle, cosocleC22×C7C23
prime radicalC2×C22⋊D7C2
hypercenterC22⋊C4D7
hypocenterC7C4×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ 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)(8,9,10,11)(13,15);(12,13)(14,15);(2,3)(4,5)(6,7)(13,15)

Polycyclic presentation:

2^5,7|c^2=d,b^a=be,f^a=f^6,c^b=ce

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×(C22⋊D7)⋊C4, #90177, #90181, …
maximal normal subgroup ofC2×(C22⋊D7)⋊C4, #90177, #90181, …
maximal quotient of#89419, #89421, #89424, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 76);