Finite Group Databasebeta

#31806405

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

Aliases

No aliases for this group.

Splittings

FittingC2×C4⋊C8×C139 ⋊ C2
SylowC139 ⋊ #1802

Subgroups

subgroupG/H
centerC23C2×D556
commutatorC2×C4×C139C22×C4
FrattiniC22×C4C22×D139
FittingC2×C4⋊C8×C139C2
socleC23×C139C2×D4
prime radicalC22×D556C22
cosocleC22×C4×C139C23
hypercenterC2×C4⋊C8D139
hypocenterC139#1802
LCSG ▷ C2×C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C4⋊C8

372 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 372 conjugacy classes of subgroups — too many to draw. Only its 125 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=d,e^2=g,b^a=bd,c^a=ce,e^a=eg,h^a=h^138,e^c=eg,h^c=h^138

Conjugacy classes & character table

2798 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 4511);