Finite Group Databasebeta

D73⋊#1838 #34021245

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

unambiguous semidirect productD73⋊#1838

Splittings

SylowC73 ⋊ C2×#1838

Subgroups

subgroupG/H
centerC2×C4C2×C4⋊#64408
commutatorC2×C4×C73C23×C4
FrattiniC2×C4C23×#64408
FittingC2×#97×C73C4
socleC22×C73C22×C4⋊C4
prime radicalC23×D73C2×Q8
cosocleC2×C4×D73C24
hypercenterC2×#97#64408
hypocenterC73C2×#1838
LCSG ▷ C2×C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×#97

830 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4672

Polycyclic presentation:

2^8,73|a^2=g,b^2=f,c^2=e,e^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,i^a=i^27,c^b=ch,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, 1104829);