Finite Group Databasebeta

D73⋊#1840 #34021253

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

Aliases

unambiguous semidirect productD73⋊#1840

Splittings

SylowC73 ⋊ C2×#1840

Subgroups

subgroupG/H
centerC22×C4C22×#64408
commutator, socleC23×C73C23×C4
FrattiniC23C23×#64408
Fitting#376×C73C4
prime radicalC23×D73C22×C4
cosocleC22×Dic73C24
hypercenter#376#64408
hypocenterC73C2×#1840
LCSG ▷ C23×C73 ▷ C73
UCSC1 ◁ C22×C4 ◁ #376

894 conjugacy classes of subgroups; only the 272 normal subgroups are shown.

normal subgroups only

This group has 894 conjugacy classes of subgroups — too many to draw. Only its 272 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9344

Polycyclic presentation:

2^8,73|a^2=g,b^2=ef,c^2=e,g^2=h,b^a=be,c^a=cf,i^a=i^27,c^b=ch,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, 1104837);