Finite Group Databasebeta

D73⋊#1555 #34017782

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

unambiguous semidirect productD73⋊#1555

Splittings

SylowC73 ⋊ C2×#1555

Subgroups

subgroupG/H
centerC22C22×C22⋊#64408
commutatorC2×C4×C73C23×C4
FrattiniC2×C4C23×#64408
FittingC2×#127×C73C4
socleC22×C73C22×C22⋊C4
prime radicalC2×#127×D73C2
cosocleC4×Dic73C24
hypercenterC2×#127#64408
hypocenterC73C2×#1555
LCSG ▷ C2×C4×C73 ▷ C22×C73 ▷ C73
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×#127

1870 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2336

Polycyclic presentation:

2^8,73|a^2=f,e^2=h,f^2=gh,b^a=be,c^a=ch,e^a=eg,i^a=i^27,e^b=eh,f^b=fgh,i^d=i^72,i^f=i^72

Conjugacy classes & character table

556 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1101366);