Finite Group Databasebeta

#31805996

order17792
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

FittingC82×C139 ⋊ C2
SylowC139 ⋊ #1706

Subgroups

subgroupG/H
centerC22#17984839
commutator, cosocleC42×C139C23
FrattiniC42C22×D139
FittingC82×C139C2
socleC22×C139#127
prime radical#22581330C2
hypercenterC82D139
hypocenterC139#1706
LCSG ▷ C42×C139 ▷ C22×C139 ▷ C139
UCSC1 ◁ C22 ◁ C42 ◁ C82

224 conjugacy classes of subgroups; only the 77 normal subgroups are shown.

normal subgroups only

This group has 224 conjugacy classes of subgroups — too many to draw. Only its 77 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|b^2=df,c^2=e,d^2=f,e^2=g,b^a=bd,c^a=ce,d^a=df,e^a=eg,h^a=h^138

Conjugacy classes & character table

4454 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 4102);