Finite Group Databasebeta

#34021034

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #20683

Subgroups

subgroupG/H
center, FrattiniC23C23×#64408
commutator, socleC23×C73C23×C4
FittingC22×C4⋊C4×C73C4
prime radicalC24×D73C2×C4
cosocleC22×Dic73C24
hypercenterC22×C4⋊C4#64408
hypocenterC73#20683
LCSG ▷ C23×C73 ▷ C73
UCSC1 ◁ C23 ◁ C22×C4⋊C4

1446 conjugacy classes of subgroups; only the 280 normal subgroups are shown.

normal subgroups only

This group has 1446 conjugacy classes of subgroups — too many to draw. Only its 280 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) = 4672

Polycyclic presentation:

2^8,73|a^2=g,c^2=e,g^2=h,b^a=be,c^a=cf,d^a=dh,i^a=i^27,c^b=ch,i^b=i^72,i^g=i^72

Conjugacy classes & character table

784 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1104618);