Finite Group Databasebeta

#34000787

order18688
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #7344

Subgroups

subgroupG/H
centerC22#17989487
commutatorC2×D4×C73C2×C8
FrattiniC22×D4C2×#64408
Fitting, prime radicalC2×H(5,𝔽2)×C73C4
socleC22×C73AΣL(1,𝔽16)
cosocle#17988490C22
hypercenterC2×H(5,𝔽2)#64408
hypocenterC73#7344
LCSG ▷ C2×D4×C73 ▷ C2×C4×C73 ▷ C22×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C22×D4 ◁ C2×H(5,𝔽2)

376 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 376 conjugacy classes of subgroups — too many to draw. Only its 42 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) = 2336

Polycyclic presentation:

2^8,73|a^2=d,d^2=f,e^2=h,b^a=bc,c^a=ce,e^a=eg,g^a=gh,i^a=i^27,d^b=deh,e^b=eh,g^b=gh,d^c=dgh,e^c=eh,e^d=eh,i^d=i^72

Conjugacy classes & character table

646 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1084371);