Finite Group Databasebeta

C22⋊#17987160 #32913751

order18396
automorphism?
homologyAbelianization (H1) = C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊#17987160

Splittings

derived, HallC22×C7×C73 ⋊ C9
HallC7×C73 ⋊ C22⋊C9
HallC22×C73 ⋊ C7⋊C9
SylowC73 ⋊ C22⋊(C7⋊C9)
HallC22×C7 ⋊ #10620321
SylowC7 ⋊ C22⋊#10620321
SylowC22 ⋊ #17987160

Subgroups

subgroupG/H
center, Frattini, hypercenterC3C22⋊#13095276
commutator, hypocenterC22×C7×C73C9
Fitting, socle, prime radical, cosocleC22×C3×C7×C73C3
LCSG ▷ C22×C7×C73
UCSC1 ◁ C3

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9198

Polycyclic presentation:

3,2^2,7,73,3|a^3=f,b^a=c,c^a=bc,d^a=d^2,e^a=e^64

Conjugacy classes & character table

2052 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18396, 69);