Finite Group Databasebeta

C2×#23755774 #34092577

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

Aliases

direct productC2×#23755774

Splittings

derived, HallC7×C79 ⋊ C22×C9
Hall#19097322 ⋊ C22
HallC2×C7×D79 ⋊ C9
HallC2×D79 ⋊ C7⋊C9
SylowC79 ⋊ C22×C7⋊C9
SylowC7 ⋊ C2×D79⋊C9

Subgroups

subgroupG/H
center, hypercenterC2×C3#15693299
commutator, hypocenterC7×C79C22×C9
FrattiniC3C2×#15693299
Fitting, socleC2×C3×C7×C79C2×C3
prime radicalC2×C3×C7×D79C3
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

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19908, 38);