Finite Group Databasebeta

D73⋊#1340 #34010681

order18688
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD73⋊#1340

Splittings

Fitting#470×C73 ⋊ C4
SylowC73 ⋊ C2×#1340

Subgroups

subgroupG/H
centerC2D73⋊#327
commutatorC2×C8×C73C22×C4
FrattiniC2×C8C22×#64408
Fitting#470×C73C4
socleC2×C73C2×#327
prime radicalC23×D73D8
cosocleC2×#11924011C23
hypercenter#470#64408
hypocenterC73C2×#1340
LCSG ▷ C2×C8×C73 ▷ C2×C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×M16 ◁ #470

444 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 444 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 2336

Polycyclic presentation:

2^8,73|a^2=e,b^2=h,d^2=gh,f^2=h,g^2=h,b^a=bd,d^a=df,g^a=gh,i^a=i^27,d^b=dg,e^b=efgh,f^b=fh,g^b=gh,i^c=i^72,e^d=eh,i^e=i^72

Conjugacy classes & character table

328 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1094265);