Finite Group Databasebeta

C4×C22⋊C4×ΓL(1,𝔽8) #13054908

order1344
automorphism?
homologyAbelianization (H1) = C2×C3×C42 · Schur multiplier (H2) = C23×C4

Aliases

direct productC4×C22⋊C4×ΓL(1,𝔽8)
unambiguous semidirect product(C4×C7×C22⋊C4)⋊C3

Splittings

Fitting, HallC4×C7×C22⋊C4 ⋊ C3
SylowC7 ⋊ C3×C4×C22⋊C4

Subgroups

subgroupG/H
centerC22×C4C22×ΓL(1,𝔽8)
commutatorC2×C7C2×C3×C42
FrattiniC23C23×ΓL(1,𝔽8)
FittingC4×C7×C22⋊C4C3
socle, cosocleC23×C7C23×C3
prime radicalC24×ΓL(1,𝔽8)C22
hypercenterC4×C22⋊C4ΓL(1,𝔽8)
hypocenterC7C3×C4×C22⋊C4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22×C4 ◁ C4×C22⋊C4

516 conjugacy classes of subgroups; only the 219 normal subgroups are shown.

normal subgroups only

This group has 516 conjugacy classes of subgroups — too many to draw. Only its 219 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);(5,6,8,10)(7,9,11,12)(13,14,15,17,16,18,19);(6,9)(10,12)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC22⋊C4×AGL(1,𝔽5)×ΓL(1,𝔽8), C4×C22⋊C4×AGL(1,𝔽7), C4×ΓL(1,𝔽8)×#120, …
maximal normal subgroup ofC4×C22⋊C4×AGL(1,𝔽7), C4×ΓL(1,𝔽8)×#120, C4×#6445⋊C3, …
maximal quotient ofC22⋊C4×AGL(1,𝔽5)×ΓL(1,𝔽8), ΓL(1,𝔽8)×#1437

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 4197);