Finite Group Databasebeta

#31806358

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

Aliases

No aliases for this group.

Splittings

SylowC139 ⋊ #1792

Subgroups

subgroupG/H
centerC22#17984811
commutatorC2×C4×C139C22×C4
FrattiniC22×C4C22×D139
Fitting, prime radicalC2×H(5,𝔽2)×C139C2
socleC22×C139#120
cosocleC22×C4×C139C23
hypercenterC2×H(5,𝔽2)D139
hypocenterC139#1792
LCSG ▷ C2×C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×H(5,𝔽2)

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

normal subgroups only

This group has 620 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) = 4448

Polycyclic presentation:

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

Conjugacy classes & character table

2378 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 4464);