Finite Group Databasebeta

C22⋊#19129602 #36344634

order21776
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#19129602
unambiguous semidirect product(C2×#19129602)⋊C2

Splittings

FittingC22×C1361 ⋊ C4
SylowC1361 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#19129602
commutator, socleC2×C1361C2×C4
FittingC22×C1361C4
prime radicalC22×D1361C2
cosocleC2×D1361C22
hypercenterC22#19129602
hypocenterC1361C22⋊C4
LCSG ▷ C2×C1361 ▷ C1361
UCSC1 ◁ C2 ◁ C22

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5444

Polycyclic presentation:

2^4,1361|a^2=d,b^a=bc,e^a=e^747,e^d=e^1360

Conjugacy classes & character table

1370 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21776, 45);