Finite Group Databasebeta

C22⋊#20297040 #43249498

order28432
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#20297040
unambiguous semidirect product(C2×#20297040)⋊C2

Splittings

FittingC22×C1777 ⋊ C4
SylowC1777 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC2C2×#20297040
commutator, socleC2×C1777C2×C4
FittingC22×C1777C4
prime radicalC22×D1777C2
cosocleC2×D1777C22
hypercenterC22#20297040
hypocenterC1777C22⋊C4
LCSG ▷ C2×C1777 ▷ C1777
UCSC1 ◁ C2 ◁ C22

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7108

Polycyclic presentation:

2^4,1777|a^2=d,b^a=bc,e^a=e^1002,e^d=e^1776

Conjugacy classes & character table

1786 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28432, 45);