Finite Group Databasebeta

#89340⋊C3 #13050816

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

Aliases

unambiguous semidirect product#89340⋊C3

Splittings

Hall#89340 ⋊ C3
HallΓL(1,𝔽8) ⋊ #353
SylowC7 ⋊ C3×#353

Subgroups

subgroupG/H
centerC2#6408⋊C3
commutatorC2×C4×C7C2×C3×C4
FrattiniC2×D4C2×AGL(1,𝔽7)
FittingC7×#127C2×C3
socleC2×C7C3×#99
prime radicalΓL(1,𝔽8)×#127C2
cosocleC2×C7×D4C22×C3
hypercenter#127AGL(1,𝔽7)
hypocenterC7C3×#353
LCSG ▷ C2×C4×C7 ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C22 ◁ C2×D4 ◁ #127

172 conjugacy classes of subgroups; only the 36 normal subgroups are shown.

normal subgroups only

This group has 172 conjugacy classes of subgroups — too many to draw. Only its 36 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 56

Polycyclic presentation:

2^2,3,2^4,7|a^2=e,d^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^6,d^b=dg,e^b=efg,h^c=h^2,e^d=eg

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#353, #72276513, #72276542
maximal normal subgroup ofAGL(1,𝔽7)×#353, #72276513, #72276542
maximal quotient of#72277161

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 105);