Finite Group Databasebeta

D73⋊#1780 #34020802

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

unambiguous semidirect productD73⋊#1780

Splittings

SylowC73 ⋊ C2×#1780

Subgroups

subgroupG/H
centerC22×C4C22×#64408
commutator, socleC23×C73C23×C4
FrattiniC23C23×#64408
FittingC22×#41×C73C4
prime radicalC22×#41×D73C2
cosocleC22×Dic73C24
hypercenterC22×#41#64408
hypocenterC73C2×#1780
LCSG ▷ C23×C73 ▷ C73
UCSC1 ◁ C22×C4 ◁ C22×#41

4070 conjugacy classes of subgroups; only the 416 normal subgroups are shown.

normal subgroups only

This group has 4070 conjugacy classes of subgroups — too many to draw. Only its 416 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,g^2=h,b^a=be,c^a=cf,i^a=i^27,c^b=ch,i^d=i^72,i^g=i^72

Conjugacy classes & character table

808 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1104386);