Finite Group Databasebeta

#31806346

order17792
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC2×#104×C139 ⋊ C2
SylowC139 ⋊ #1789

Subgroups

subgroupG/H
centerC2×C4D4×D139
commutatorC2×C4×C139C22×C4
FrattiniC22×C4C22×D139
FittingC2×#104×C139C2
socleC22×C139C2×C22⋊C4
prime radicalC2×#41×D139C2
cosocleC22×C4×C139C23
hypercenterC2×#104D139
hypocenterC139#1789
LCSG ▷ C2×C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C2×#104

618 conjugacy classes of subgroups; only the 103 normal subgroups are shown.

normal subgroups only

This group has 618 conjugacy classes of subgroups — too many to draw. Only its 103 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=f,d^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,d^b=dg,h^c=h^138

Conjugacy classes & character table

1970 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 4452);