Finite Group Databasebeta
Cayley diagram

D7×AGL(1,ℤ/8) #90463

order448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productD7×AGL(1,ℤ/8)

Splittings

FittingC7×AGL(1,ℤ/8) ⋊ C2
SylowC7 ⋊ C2×AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC2C2×D4×D7
commutator, cosocleC4×C7C24
FrattiniC4C23×D7
FittingC7×AGL(1,ℤ/8)C2
socleC2×C7C22×D4
hypercenterAGL(1,ℤ/8)D7
hypocenterC7C2×AGL(1,ℤ/8)
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C2×C4 ◁ AGL(1,ℤ/8)

298 conjugacy classes of subgroups; only the 101 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 101 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 4 generators on 15 points:

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

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#453, #11737724, D7×#454, …
maximal normal subgroup ofD7×#453, #11737724, D7×#454, …
maximal quotient of#11736311, #11736315, #11736323, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1225);