Finite Group Databasebeta

#31815201

order17792
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

Fitting#442×C139 ⋊ C2
SylowC139 ⋊ #2943

Subgroups

subgroupG/H
centerC22C2×D4×D139
commutatorC4×C139C23×C4
FrattiniC2×C4C23×D139
Fitting#442×C139C2
socleC22×C139C22×D4
prime radicalC2×#17984861C2
cosocleC2×C4×C139C24
hypercenter#442D139
hypocenterC139#2943
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C22 ◁ C42 ◁ #442

492 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 492 conjugacy classes of subgroups — too many to draw. Only its 175 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,c^2=f,d^2=g,e^2=g,b^a=be,c^a=cg,e^a=eg,e^b=eg,h^c=h^138,h^d=h^138

Conjugacy classes & character table

1562 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 13307);