Finite Group Databasebeta

#31804229

order17792
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC139 ⋊ #1272

Subgroups

subgroupG/H
centerC23(C2×D139)⋊C4
commutatorC2×C4×C139C2×C8
FrattiniC2×C42C2×D139
Fitting#336×C139C2
socle, prime radicalC23×C139C22⋊C4
cosocleC2×C42×C139C22
hypercenter#336D139
hypocenterC139#1272
LCSG ▷ C2×C4×C139 ▷ C22×C139 ▷ C139
UCSC1 ◁ C23 ◁ C2×C42 ◁ #336

166 conjugacy classes of subgroups; only the 61 normal subgroups are shown.

normal subgroups only

This group has 166 conjugacy classes of subgroups — too many to draw. Only its 61 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) = 17792

Polycyclic presentation:

2^7,139|a^2=d,b^2=f,c^2=f,d^2=g,b^a=bc,c^a=ce,c^b=cf,d^b=def,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, 2335);