Finite Group Databasebeta

#31806213

order17792
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

Fitting#339×C139 ⋊ C2
SylowC139 ⋊ #1759

Subgroups

subgroupG/H
centerC2×C4D4×D139
commutatorC4×C139C2×C42
FrattiniC22×C4C22×D139
Fitting#339×C139C2
socleC22×C139C2×C22⋊C4
prime radicalC2×#14555785C22
cosocleC22×C4×C139C23
hypercenter#339D139
hypocenterC139#1759
LCSG ▷ C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ #339

320 conjugacy classes of subgroups; only the 105 normal subgroups are shown.

normal subgroups only

This group has 320 conjugacy classes of subgroups — too many to draw. Only its 105 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=e,b^2=f,c^2=e,d^2=g,b^a=bd,d^a=dg,f^a=fg,c^b=cg,h^c=h^138

Conjugacy classes & character table

1976 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 4319);