Finite Group Databasebeta

C2×ΓL(1,𝔽8)×#120 #13060682

order1344
automorphism?
homologyAbelianization (H1) = C24×C3 · Schur multiplier (H2) = C27

Aliases

direct productC2×ΓL(1,𝔽8)×#120

Splittings

Fitting, HallC2×C7×#120 ⋊ C3
SylowC7 ⋊ C2×C3×#120

Subgroups

subgroupG/H
centerC23C23×ΓL(1,𝔽8)
commutator, cosocleC22×C7C24×C3
FrattiniC22C24×ΓL(1,𝔽8)
FittingC2×C7×#120C3
socleC23×C7C23×C3
hypercenterC2×#120ΓL(1,𝔽8)
hypocenterC7C2×C3×#120
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C23 ◁ C2×#120

1324 conjugacy classes of subgroups; only the 315 normal subgroups are shown.

normal subgroups only

This group has 1324 conjugacy classes of subgroups — too many to draw. Only its 315 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) = 17
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 4 generators on 17 points:

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

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×ΓL(1,𝔽8)×#120, C2×#120×AGL(1,𝔽7), C4×ΓL(1,𝔽8)×#120, …
maximal normal subgroup ofC2×#120×AGL(1,𝔽7), C4×ΓL(1,𝔽8)×#120, #120×ΓL(1,𝔽8)⋊C4, …
maximal quotient ofD5×ΓL(1,𝔽8)×#120, C4×ΓL(1,𝔽8)×#120, C22×ΓL(1,𝔽8)×#120, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 9971);