Finite Group Databasebeta

D73⋊#1426 #34014496

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

Aliases

unambiguous semidirect productD73⋊#1426

Splittings

FittingM64×C73 ⋊ C4
SylowC73 ⋊ C2×#1426

Subgroups

subgroupG/H
centerC2C2×#17989514
commutatorC16×C73C22×C4
FrattiniC16C22×#64408
FittingM64×C73C4
socleC2×C73C2×#367
prime radicalC22×D73SD32
cosocleC16×D73C23
hypercenterM64#64408
hypocenterC73C2×#1426
LCSG ▷ C16×C73 ▷ C8×C73 ▷ C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ M64

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

normal subgroups only

This group has 190 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=dfg,d^2=fgh,f^2=gh,g^2=h,b^a=bd,d^a=df,f^a=fg,g^a=gh,i^a=i^27,e^b=eh,i^c=i^72,i^e=i^72

Conjugacy classes & character table

772 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1098080);