Finite Group Databasebeta

#33002810

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

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #12970

Subgroups

subgroupG/H
centerC22#17988775
commutatorC2×Q8×C73C22×C4
FrattiniC22×Q8C22×D73
FittingC2×#355×C73C2
socleC22×C73B(4,𝔽2)
prime radicalC22×D4×C73D4
cosocleC22×Q8×C73C23
hypercenterC2×#355D73
hypocenterC73#12970
LCSG ▷ C2×Q8×C73 ▷ C22×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C22 ◁ C23 ◁ C22×Q8 ◁ C2×#355

472 conjugacy classes of subgroups; only the 103 normal subgroups are shown.

normal subgroups only

This group has 472 conjugacy classes of subgroups — too many to draw. Only its 103 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=f,b^2=f,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,g^a=gh,i^a=i^72,d^b=dh,e^b=egh,i^b=i^72,d^c=dg,e^c=eh,e^d=eh

Conjugacy classes & character table

970 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 86394);