Finite Group Databasebeta
Cayley diagram

C2×D4×D7 #6546

order224
automorphismAut(G) = AGL(1,𝔽7)×#23900 (order 10752) · Inn(G) = C22×D7 · Out(G) = C3×D42
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×D4×D7

Splittings

FittingC2×C7×D4 ⋊ C2
SylowC7 ⋊ C22×D4

Subgroups

subgroupG/H
centerC22C22×D7
commutator, cosocleC2×C7C24
FrattiniC2C23×D7
FittingC2×C7×D4C2
socleC22×C7C23
hypercenterC2×D4D7
hypocenterC7C22×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×D4

236 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 4 generators on 13 points:

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

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#99, D7×#100, D7×#102, …
maximal normal subgroup ofD7×#99, D7×#100, D7×#102, …
maximal quotient ofC2×#6441, C2×D7×C22⋊C4, C2×(C22⋊D7)⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(224, 178);