Finite Group Databasebeta

#31814849

order17792
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

SylowC139 ⋊ #2879

Subgroups

subgroupG/H
center, FrattiniC2×C4C23×D139
commutator, socleC22×C139C23×C4
Fitting, prime radicalC22×#41×C139C2
cosocleC2×C4×C139C24
hypercenterC22×#41D139
hypocenterC139#2879
LCSG ▷ C22×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C22×#41

764 conjugacy classes of subgroups; only the 293 normal subgroups are shown.

normal subgroups only

This group has 764 conjugacy classes of subgroups — too many to draw. Only its 293 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,f^2=g,b^a=be,d^a=dg,h^a=h^138,c^b=cg

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, 12955);