Finite Group Databasebeta

#31804339

order17792
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

Fitting#349×C139 ⋊ C2
SylowC139 ⋊ #1320

Subgroups

subgroupG/H
centerC4#17984756
commutatorC23×C139C2×C8
FrattiniC2×M16C2×D139
Fitting#349×C139C2
socleC2×C139#323
prime radicalC23×D139C8
cosocleC2×M16×C139C22
hypercenter#349D139
hypocenterC139#1320
LCSG ▷ C23×C139 ▷ C22×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×M16 ◁ #349

128 conjugacy classes of subgroups; only the 33 normal subgroups are shown.

normal subgroups only

This group has 128 conjugacy classes of subgroups — too many to draw. Only its 33 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=d,d^2=f,f^2=g,b^a=bc,c^a=ce,e^a=eg,d^b=de,h^b=h^138,d^c=dg

Conjugacy classes & character table

1544 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 2445);