Finite Group Databasebeta

#31807202

order17792
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

FittingC2×#97×C139 ⋊ C2
SylowC139 ⋊ #1955

Subgroups

subgroupG/H
center, FrattiniC22×C4C22×D139
commutator, socleC23×C139C22×C4
FittingC2×#97×C139C2
prime radicalC22×D556C4
cosocleC22×C4×C139C23
hypercenterC2×#97D139
hypocenterC139#1955
LCSG ▷ C23×C139 ▷ C139
UCSC1 ◁ C22×C4 ◁ C2×#97

384 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 384 conjugacy classes of subgroups — too many to draw. Only its 113 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=f,b^2=df,c^2=e,f^2=g,b^a=bd,c^a=ce,h^a=h^138,c^b=cg

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, 5308);