Finite Group Databasebeta

#31804802

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

Aliases

No aliases for this group.

Splittings

FittingC2×C4⋊C8×C139 ⋊ C2
SylowC139 ⋊ #1480

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊D139
commutatorC2×C4×C139C22×C4
FrattiniC42C22×D139
FittingC2×C4⋊C8×C139C2
socleC22×C139C2×C22⋊C4
prime radical#22581503C2
cosocleC42×C139C23
hypercenterC2×C4⋊C8D139
hypocenterC139#1480
LCSG ▷ C2×C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4⋊C8

260 conjugacy classes of subgroups; only the 89 normal subgroups are shown.

normal subgroups only

This group has 260 conjugacy classes of subgroups — too many to draw. Only its 89 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=e,d^2=f,e^2=g,b^a=bd,d^a=df,c^b=cg,d^b=df,h^b=h^138

Conjugacy classes & character table

2798 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 2908);