Finite Group Databasebeta

C22⋊#17989669 #34033155

order18688
automorphism?
homologyAbelianization (H1) = C2×C64 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#17989669

Splittings

SylowC73 ⋊ C22⋊C64

Subgroups

subgroupG/H
center, FrattiniC2×C8C2×#10596842
commutatorC2×C73C2×C64
FittingC22×C8×C73C8
socleC22×C73C2×C32
prime radicalC23×C73C32
cosocleC2×#14556641C22
hypercenterC22×C8#10596842
hypocenterC73C22⋊C64
LCSG ▷ C2×C73 ▷ C73
UCSC1 ◁ C2×C8 ◁ C22×C8

98 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9344

Polycyclic presentation:

2^8,73|a^2=d,d^2=e,e^2=f,f^2=g,g^2=h,b^a=bc,i^a=i^10,i^d=i^27,i^e=i^72

Conjugacy classes & character table

448 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1116739);