Finite Group Databasebeta

D73⋊#1781 #34020816

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C29

Aliases

unambiguous semidirect productD73⋊#1781

Splittings

FittingC23×D4×C73 ⋊ C4
SylowC73 ⋊ C2×#1781

Subgroups

subgroupG/H
centerC22C22×C22⋊#64408
commutatorC23×C73C23×C4
FrattiniC23C23×#64408
FittingC23×D4×C73C4
socleC22×C73C22×C22⋊C4
prime radicalC23×D4×D73C2
cosocleC23×D73C24
hypercenterC23×D4#64408
hypocenterC73C2×#1781
LCSG ▷ C23×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C22 ◁ C25 ◁ C23×D4

6254 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1168

Polycyclic presentation:

2^8,73|a^2=g,b^a=be,c^a=cf,e^a=eh,i^a=i^27,g^b=gh,i^d=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, 1104400);