Finite Group Databasebeta

D73⋊#1420 #34014468

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

Aliases

unambiguous semidirect productD73⋊#1420

Splittings

SylowC73 ⋊ C2×#1420

Subgroups

subgroupG/H
centerC2C2×#17989499
commutatorC16×C73C22×C4
FrattiniC16C22×#64408
FittingC2×Q32×C73C4
socleC2×C73C2×#357
prime radicalC22×D73SD32
cosocleC16×D73C23
hypercenterC2×Q32#64408
hypocenterC73C2×#1420
LCSG ▷ C16×C73 ▷ C8×C73 ▷ C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ C2×Q32

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

normal subgroups only

This group has 286 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) = 4672

Polycyclic presentation:

2^8,73|a^2=e,b^2=h,d^2=fgh,e^2=h,f^2=gh,g^2=h,b^a=bd,d^a=df,f^a=fg,g^a=gh,i^a=i^27,d^b=dfh,e^b=eh,f^b=fg,g^b=gh,i^c=i^72,i^e=i^72

Conjugacy classes & character table

448 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1098052);