Finite Group Databasebeta

#31815308

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

Aliases

No aliases for this group.

Splittings

Fitting#405×C139 ⋊ C2
SylowC139 ⋊ #2955

Subgroups

subgroupG/H
centerC8C2×D556
commutatorC4×C139C23×C4
FrattiniC2×C4C23×D139
Fitting#405×C139C2
socleC2×C139C2×C4×D4
prime radical#22581753C2
cosocleC2×C4×C139C24
hypercenter#405D139
hypocenterC139#2955
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C8 ◁ C22×C8 ◁ #405

456 conjugacy classes of subgroups; only the 185 normal subgroups are shown.

normal subgroups only

This group has 456 conjugacy classes of subgroups — too many to draw. Only its 185 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,c^2=f,e^2=g,f^2=g,b^a=be,d^a=dg,e^a=eg,h^a=h^138,e^b=eg,h^b=h^138

Conjugacy classes & character table

2804 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 13414);