Finite Group Databasebeta

#31808007

order17792
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

Fitting#347×C139 ⋊ C2
SylowC139 ⋊ #2110

Subgroups

subgroupG/H
centerC4C42×D139
commutatorC4×C139C2×C42
FrattiniC2×C8C22×D139
Fitting#347×C139C2
socleC2×C139C2×#97
prime radicalC22×D139M16
cosocleC2×C8×C139C23
hypercenter#347D139
hypocenterC139#2110
LCSG ▷ C4×C139 ▷ C139
UCSC1 ◁ C4 ◁ #347

160 conjugacy classes of subgroups; only the 85 normal subgroups are shown.

normal subgroups only

This group has 160 conjugacy classes of subgroups — too many to draw. Only its 85 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) = 4448

Polycyclic presentation:

2^7,139|a^2=d,b^2=e,d^2=f,f^2=g,b^a=bf,e^a=eg,c^b=cg,d^b=dg,h^c=h^138

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, 6113);