Finite Group Databasebeta

D137⋊#99 #22578380

order8768
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD137⋊#99

Splittings

FittingC2×D4×C137 ⋊ C4
SylowC137 ⋊ C2×#99

Subgroups

subgroupG/H
centerC2C2×C22⋊#10587739
commutatorC22×C137C22×C4
FrattiniC22C22×#10587739
FittingC2×D4×C137C4
socleC2×C137C2×C22⋊C4
hypercenterC2×D4#10587739
hypocenterC137C2×#99
LCSG ▷ C22×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C2 ◁ C23 ◁ C2×D4

210 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 210 conjugacy classes of subgroups — too many to draw. Only its 50 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,137|a^2=e,b^a=bd,d^a=df,g^a=g^100,e^b=ef,g^c=g^136,g^e=g^136

Conjugacy classes & character table

362 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#31795875, #31795882, #99×#10587739, …
maximal normal subgroup of#31795875, #31795882, #99×#10587739, …
maximal quotient of#31796015, #31796018, #31796025, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8768, 1526);