Finite Group Databasebeta

C2×ΓL(1,𝔽8)×D16 #13055036

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

Aliases

direct productC2×ΓL(1,𝔽8)×D16
unambiguous semidirect product(C2×C7×D16)⋊C3

Splittings

Fitting, HallC2×C7×D16 ⋊ C3
SylowC7 ⋊ C2×C3×D16

Subgroups

subgroupG/H
centerC22D8×ΓL(1,𝔽8)
commutator, cosocleC7×C8C23×C3
FrattiniC8C23×ΓL(1,𝔽8)
FittingC2×C7×D16C3
socleC22×C7C3×D8
hypercenterC2×D16ΓL(1,𝔽8)
hypocenterC7C2×C3×D16
LCSG ▷ C7×C8 ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ C2×D16

196 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 25 points:

(1,2)(20,21,22)(23,25,24);(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18)(19,20,21,23,22,24,25);(4,18)(5,17)(6,16)(7,15)(8,14)(9,13)(10,12)

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofΓL(1,𝔽8)×#2177, C2×D16×AGL(1,𝔽7), #72276641
maximal normal subgroup ofΓL(1,𝔽8)×#2177, C2×D16×AGL(1,𝔽7), #72276641

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 4325);