Finite Group Databasebeta

C2×#23755781 #34092571

order19908
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×#23755781

Splittings

derived, HallC7×C79 ⋊ C22×C9
Hall#19097321 ⋊ C22
HallC2×D553 ⋊ C9
SylowC79 ⋊ C2×D7⋊C9
SylowC7 ⋊ C2×D79⋊C9

Subgroups

subgroupG/H
center, hypercenterC2×C3#15693306
commutator, hypocenterC7×C79C22×C9
FrattiniC3C2×#15693306
Fitting, socleC2×C3×C7×C79C2×C3
prime radicalC2×C3×D553C3
cosocleC3×C7×C79C22×C3
LCSG ▷ C7×C79
UCSC1 ◁ C2×C3

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9954

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19908, 32);