Finite Group Databasebeta

D73⋊#1915 #34021774

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

Aliases

unambiguous semidirect productD73⋊#1915

Splittings

SylowC73 ⋊ C2×#1915

Subgroups

subgroupG/H
centerC2C2×#17989535
commutatorC23×C73C23×C4
FrattiniC23C23×#64408
Fitting#536×C73C4
socleC2×C73C2×#386
prime radicalC2×#41×D73C22
cosocleC22×Dic73C24
hypercenter#536#64408
hypocenterC73C2×#1915
LCSG ▷ C23×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2 ◁ C22×C4 ◁ #536

1670 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2336

Polycyclic presentation:

2^8,73|a^2=g,b^2=egh,g^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,i^a=i^46,e^b=eh,f^b=fh,g^b=gh,i^b=i^27,e^c=eh,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, 1105358);