Finite Group Databasebeta

D73⋊#1902 #34021718

order18688
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

unambiguous semidirect productD73⋊#1902

Splittings

FittingC2×#137×C73 ⋊ C4
SylowC73 ⋊ C2×#1902

Subgroups

subgroupG/H
centerC2C2×#17989535
commutatorC2×C4×C73C23×C4
FrattiniC2×C4C23×#64408
FittingC2×#137×C73C4
socleC2×C73C2×#386
prime radicalC2×#41×D73C22
cosocleC2×C4×D73C24
hypercenterC2×#137#64408
hypocenterC73C2×#1902
LCSG ▷ C2×C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2 ◁ C22×C4 ◁ C2×#137

1654 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2336

Polycyclic presentation:

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

Conjugacy classes & character table

454 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1105302);