Finite Group Databasebeta

#31805261

order17792
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC139 ⋊ #1585

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊D139
commutatorC2×C4×C139C22×C4
FrattiniC42C22×D139
FittingC8×D4×C139C2
socleC22×C139C4×D4
prime radicalC2×D4×C139C2×C4
cosocleC42×C139C23
hypercenterC8×D4D139
hypocenterC139#1585
LCSG ▷ C2×C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C4×C8 ◁ C8×D4

168 conjugacy classes of subgroups; only the 65 normal subgroups are shown.

normal subgroups only

This group has 168 conjugacy classes of subgroups — too many to draw. Only its 65 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,c^2=e,d^2=f,e^2=g,b^a=bd,c^a=cfg,d^a=df,h^a=h^138,d^b=df

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, 3367);