Finite Group Databasebeta

#31806514

order17792
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

Fitting#344×C139 ⋊ C2
SylowC139 ⋊ #1829

Subgroups

subgroupG/H
centerC2#22580815
commutatorC23×C139C22×C4
FrattiniC22×C4C22×D139
Fitting#344×C139C2
socleC2×C139#381
prime radicalC22×D556C22
cosocleC22×C4×C139C23
hypercenter#344D139
hypocenterC139#1829
LCSG ▷ C23×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2 ◁ C22×C4 ◁ #344

272 conjugacy classes of subgroups; only the 73 normal subgroups are shown.

normal subgroups only

This group has 272 conjugacy classes of subgroups — too many to draw. Only its 73 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) = 2224

Polycyclic presentation:

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

Conjugacy classes & character table

1547 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 4620);