Finite Group Databasebeta

C2×#137×D139 #31821140

order17792
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#137×D139

Splittings

FittingC2×#137×C139 ⋊ C2
SylowC139 ⋊ C22×#137

Subgroups

subgroupG/H
centerC22C2×D4×D139
commutator, cosocleC4×C139C25
FrattiniC4C24×D139
FittingC2×#137×C139C2
socleC22×C139C22×D4
prime radicalC2×#41×D139C2
hypercenterC2×#137D139
hypocenterC139C22×#137
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#137

1464 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4448

Conjugacy classes & character table

1562 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 19246);