Finite Group Databasebeta

#34014262

order18688
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #13564

Subgroups

subgroupG/H
centerC4#17989487
commutatorC2×D4×C73C22×C4
FrattiniC2×D4C22×#64408
Fitting#585×C73C4
socleC2×C73C2×AΣL(1,𝔽16)
prime radical#22619280C2
cosocle#14556578C23
hypercenter#585#64408
hypocenterC73#13564
LCSG ▷ C2×D4×C73 ▷ C2×C4×C73 ▷ C22×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C4 ◁ C2×C4 ◁ C22×C4 ◁ C2×#41 ◁ #585

494 conjugacy classes of subgroups; only the 60 normal subgroups are shown.

normal subgroups only

This group has 494 conjugacy classes of subgroups — too many to draw. Only its 60 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) = 1168

Polycyclic presentation:

2^8,73|a^2=e,c^2=h,e^2=h,f^2=h,b^a=bd,d^a=df,f^a=fg,g^a=gh,i^a=i^27,e^b=efh,f^b=fh,g^b=gh,e^d=egh,f^d=fh,f^e=fh,i^e=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, 1097846);