Finite Group Databasebeta

C22⋊#19127101 #35234352

order21204
automorphism?
homologyAbelianization (H1) = C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊#19127101

Splittings

derived, HallC22×C19×C31 ⋊ C9
HallC19×C31 ⋊ C22⋊C9
HallC22×C31 ⋊ #4294
HallC22×C19 ⋊ C31⋊C9
SylowC31 ⋊ C22⋊#4294
SylowC19 ⋊ C22⋊(C31⋊C9)
SylowC22 ⋊ #19127101

Subgroups

subgroupG/H
center, Frattini, hypercenterC3C22⋊#13183714
commutator, hypocenterC22×C19×C31C9
Fitting, socle, prime radical, cosocleC22×C3×C19×C31C3
LCSG ▷ C22×C19×C31
UCSC1 ◁ C3

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10602

Polycyclic presentation:

3,2^2,19,31,3|a^3=f,b^a=c,c^a=bc,d^a=d^7,e^a=e^5

Conjugacy classes & character table

2364 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21204, 49);