Finite Group Databasebeta

C4×D8×ΓL(1,𝔽8) #13054968

order1344
automorphism?
homologyAbelianization (H1) = C22×C3×C4 · Schur multiplier (H2) = C23

Aliases

direct productC4×D8×ΓL(1,𝔽8)
unambiguous semidirect product(C4×C7×D8)⋊C3

Splittings

Fitting, HallC4×C7×D8 ⋊ C3
SylowC7 ⋊ C3×C4×D8

Subgroups

subgroupG/H
centerC2×C4D4×ΓL(1,𝔽8)
commutatorC4×C7C22×C3×C4
FrattiniC2×C4C23×ΓL(1,𝔽8)
FittingC4×C7×D8C3
socleC22×C7C2×C3×D4
prime radicalC2×D8×ΓL(1,𝔽8)C2
cosocleC2×C4×C7C23×C3
hypercenterC4×D8ΓL(1,𝔽8)
hypocenterC7C3×C4×D8
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×D8

268 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 268 conjugacy classes of subgroups — too many to draw. Only its 111 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) = 19
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 19 points:

(1,2,3,4)(14,15,16)(17,19,18);(5,6,7,8,9,10,11,12)(13,14,15,17,16,18,19);(6,12)(7,11)(8,10)

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD8×AGL(1,𝔽5)×ΓL(1,𝔽8), C4×D8×AGL(1,𝔽7), C4×ΓL(1,𝔽8)×AGL(1,ℤ/8), …
maximal normal subgroup ofC4×D8×AGL(1,𝔽7), C4×ΓL(1,𝔽8)×AGL(1,ℤ/8), C4×#6474⋊C3, …
maximal quotient ofD8×AGL(1,𝔽5)×ΓL(1,𝔽8), ΓL(1,𝔽8)×#2177

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 4257);