Finite Group Databasebeta

#89917⋊C3 #13052045

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

Aliases

unambiguous semidirect product#89917⋊C3

Splittings

FittingC7×#131 ⋊ C2×C3
Hall#89917 ⋊ C3
HallΓL(1,𝔽8) ⋊ #444
SylowC7 ⋊ C3×#444

Subgroups

subgroupG/H
centerC4C2×(C22⋊D7)⋊C3
commutatorC4×C7C22×C3×C4
FrattiniC2×C4C22×AGL(1,𝔽7)
FittingC7×#131C2×C3
socleC2×C7C3×C4×D4
prime radical#6513⋊C3C2
cosocleC2×C4×C7C23×C3
hypercenter#131AGL(1,𝔽7)
hypocenterC7C3×#444
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C4 ◁ C2×C8 ◁ #131

208 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 208 conjugacy classes of subgroups — too many to draw. Only its 80 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) = 23
transitive degreeμt(G) = 112

Polycyclic presentation:

2^3,3,2^3,7|c^2=e,e^2=g,f^2=g,b^a=bf,f^a=fg,h^a=h^6,c^b=cg,f^b=fg,h^d=h^2

Conjugacy classes & character table

86 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#444, #72229627, #72229686
maximal normal subgroup ofAGL(1,𝔽7)×#444, #72229627, #72229686

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 1334);