Finite Group Databasebeta

#31821178

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

Aliases

No aliases for this group.

Splittings

FittingC2×#131×C139 ⋊ C2
SylowC139 ⋊ #3584

Subgroups

subgroupG/H
centerC4C22×D556
commutator, cosocleC4×C139C25
FrattiniC4C24×D139
FittingC2×#131×C139C2
socleC2×C139C23×D4
hypercenterC2×#131D139
hypocenterC139#3584
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C4 ◁ C2×#41 ◁ C2×#131

1424 conjugacy classes of subgroups; only the 545 normal subgroups are shown.

normal subgroups only

This group has 1424 conjugacy classes of subgroups — too many to draw. Only its 545 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|e^2=g,f^2=g,b^a=bf,f^a=fg,h^a=h^138,f^b=fg,h^b=h^138,d^c=dg

Conjugacy classes & character table

2804 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 19284);