Finite Group Databasebeta

#31805229

order17792
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

Fitting#322×C139 ⋊ C2
SylowC139 ⋊ #1580

Subgroups

subgroupG/H
centerC2×C4C2×D556
commutatorC4×C139C22×C8
FrattiniC42C22×D139
Fitting#322×C139C2
socleC22×C139C4×D4
prime radicalC2×D1112C4
cosocleC42×C139C23
hypercenter#322D139
hypocenterC139#1580
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C4×C8 ◁ #322

192 conjugacy classes of subgroups; only the 73 normal subgroups are shown.

normal subgroups only

This group has 192 conjugacy classes of subgroups — too many to draw. Only its 73 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=ef,d^2=f,e^2=g,b^a=bd,c^a=cf,d^a=df,h^a=h^138,d^b=df,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, 3335);