Finite Group Databasebeta

C2×#19104462⋊C2 #35209389

order20772
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×#19104462⋊C2
unambiguous semidirect product#19104462⋊C22
unambiguous semidirect product(C2×#19104462)⋊C2

Splittings

Fitting, socleC2×C577 ⋊ C2×C9
derived, SylowC577 ⋊ C22×C9
Hall#19104462 ⋊ C22
HallC2×D577 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2#19104462⋊C2
commutator, hypocenterC577C22×C9
FrattiniC1G
Fitting, socleC2×C577C2×C9
prime radicalC2×D577⋊C3C3
cosocleC577⋊C3C22×C3
LCSG ▷ C577
UCSC1 ◁ C2

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1154

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20772, 33);