Finite Group Databasebeta

C22⋊#19104444 #35209184

order20748
automorphism?
homologyAbelianization (H1) = C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊#19104444

Splittings

Fitting, socle, derived, HallC22×C7×C13×C19 ⋊ C3
HallC7×C13×C19 ⋊ A4
HallC22×C13×C19 ⋊ ΓL(1,𝔽8)
HallC22×C7×C19 ⋊ C13⋊C3
HallC22×C7×C13 ⋊ C19⋊C3
HallC13×C19 ⋊ C22⋊ΓL(1,𝔽8)
HallC7×C19 ⋊ C22⋊(C13⋊C3)
HallC7×C13 ⋊ C22⋊(C19⋊C3)
HallC22×C19 ⋊ #63271
HallC22×C13 ⋊ #87705
HallC22×C7 ⋊ #10625202
SylowC19 ⋊ C22⋊#63271
SylowC13 ⋊ C22⋊#87705
SylowC7 ⋊ C22⋊#10625202
SylowC22 ⋊ #19104444

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC22×C7×C13×C19C3
LCSG ▷ C22×C7×C13×C19
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6916

Polycyclic presentation:

3,2^2,7,13,19|b^a=c,c^a=bc,d^a=d^2,e^a=e^9,f^a=f^11

Conjugacy classes & character table

2308 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20748, 412);