Finite Group Databasebeta

C22×C22⋊C4×ΓL(1,𝔽8) #13060673

order1344
automorphism?
homologyAbelianization (H1) = C23×C3×C4 · Schur multiplier (H2) = C27

Aliases

direct productC22×C22⋊C4×ΓL(1,𝔽8)

Splittings

Fitting, HallC22×C7×C22⋊C4 ⋊ C3
SylowC7 ⋊ C22×C3×C22⋊C4

Subgroups

subgroupG/H
centerC24C22×ΓL(1,𝔽8)
commutatorC2×C7C23×C3×C4
FrattiniC22C24×ΓL(1,𝔽8)
FittingC22×C7×C22⋊C4C3
socleC24×C7C22×C3
prime radicalC25×ΓL(1,𝔽8)C2
cosocleC22×C7C24×C3
hypercenterC22×C22⋊C4ΓL(1,𝔽8)
hypocenterC7C22×C3×C22⋊C4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C24 ◁ C22×C22⋊C4

1348 conjugacy classes of subgroups; only the 507 normal subgroups are shown.

normal subgroups only

This group has 1348 conjugacy classes of subgroups — too many to draw. Only its 507 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 — 4 generators on 19 points:

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

Relationships

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 9962);