Finite Group Databasebeta

#31804282

order17792
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC139 ⋊ #1294

Subgroups

subgroupG/H
centerC23C22⋊Dic139
commutatorC2×C4×C139C42
FrattiniC23×C4C2×D139
Fitting#380×C139C2
socleC23×C139C22⋊C4
prime radicalC24×C139D4
cosocleC23×C4×C139C22
hypercenter#380D139
hypocenterC139#1294
LCSG ▷ C2×C4×C139 ▷ C22×C139 ▷ C139
UCSC1 ◁ C23 ◁ C23×C4 ◁ #380

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

normal subgroups only

This group has 276 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) = 4448

Polycyclic presentation:

2^7,139|a^2=d,b^2=e,c^2=f,b^a=bc,c^a=cf,e^a=efg,c^b=cg,h^b=h^138

Conjugacy classes & character table

1970 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 2388);