Finite Group Databasebeta

D73⋊#1861 #34021475

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

Aliases

unambiguous semidirect productD73⋊#1861

Splittings

FittingC2×#104×C73 ⋊ C4
SylowC73 ⋊ C2×#1861

Subgroups

subgroupG/H
centerC4#17989534
commutatorC2×C4×C73C23×C4
FrattiniC2×C4C23×#64408
FittingC2×#104×C73C4
socleC2×C73C2×#385
prime radicalC2×#41×D73C22
cosocleC2×C4×D73C24
hypercenterC2×#104#64408
hypocenterC73C2×#1861
LCSG ▷ C2×C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×#104

1358 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1168

Polycyclic presentation:

2^8,73|a^2=g,b^2=g,e^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,i^a=i^46,e^b=eh,i^b=i^27,f^c=fh,i^d=i^72,i^g=i^72

Conjugacy classes & character table

568 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1105059);