Finite Group Databasebeta

#31805149

order17792
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

Fitting#334×C139 ⋊ C2
SylowC139 ⋊ #1564

Subgroups

subgroupG/H
centerC2×C4D4×D139
commutatorC4×C139C22×C8
FrattiniC42C22×D139
Fitting#334×C139C2
socleC22×C139C2×C4⋊C4
prime radicalC22×D139C4⋊C4
cosocleC42×C139C23
hypercenter#334D139
hypocenterC139#1564
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C42 ◁ #334

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

normal subgroups only

This group has 180 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) = 8896

Polycyclic presentation:

2^7,139|a^2=e,b^2=d,c^2=f,d^2=f,e^2=g,b^a=bd,d^a=df,h^c=h^138

Conjugacy classes & character table

1988 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 3255);