Finite Group Databasebeta

#31807379

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

Aliases

No aliases for this group.

Splittings

SylowC139 ⋊ #1994

Subgroups

subgroupG/H
centerC2×C4D4×D139
commutatorC2×C4×C139C22×C4
FrattiniC22×C4C22×D139
Fitting#339×C139C2
socleC22×C139C2×C22⋊C4
prime radicalC23×C139C2×D4
cosocleC22×C4×C139C23
hypercenter#339D139
hypocenterC139#1994
LCSG ▷ C2×C4×C139 ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ #339

284 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 87 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=f,b^2=def,c^2=e,d^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,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, 5485);