Finite Group Databasebeta

C139⋊#1308 #31804316

order17792
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC139⋊#1308

Splittings

SylowC139 ⋊ #1308

Subgroups

subgroupG/H
centerC22C139⋊#95
commutator, prime radicalC23×C139C42
FrattiniC2×C42C2×D139
Fitting#432×C139C2
socleC22×C139#95
cosocleC2×C42×C139C22
hypercenter#432D139
hypocenterC139#1308
LCSG ▷ C23×C139 ▷ C22×C139 ▷ C139
UCSC1 ◁ C22 ◁ C2×C42 ◁ #432

122 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 122 conjugacy classes of subgroups — too many to draw. Only its 53 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8896

Polycyclic presentation:

2^7,139|a^2=d,b^2=e,d^2=fg,e^2=f,b^a=bc,c^a=cf,e^a=eg,c^b=cg,d^b=df,h^b=h^138

Conjugacy classes & character table

1958 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 2422);