Finite Group Databasebeta

D73⋊#1917 #34021785

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

Aliases

unambiguous semidirect productD73⋊#1917

Splittings

SylowC73 ⋊ C2×#1917

Subgroups

subgroupG/H
centerC22×C4C22×#64408
commutator, socleC23×C73C23×C4
FrattiniC23C23×#64408
FittingC4×C4⋊C4×C73C4
prime radicalC23×D73C22×C4
cosocleC22×Dic73C24
hypercenterC4×C4⋊C4#64408
hypocenterC73C2×#1917
LCSG ▷ C23×C73 ▷ C73
UCSC1 ◁ C22×C4 ◁ C4×C4⋊C4

1070 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9344

Polycyclic presentation:

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

Conjugacy classes & character table

808 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1105369);