Finite Group Databasebeta

#34013288

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

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #12885

Subgroups

subgroupG/H
centerC4#17989531
commutatorC22×C4×C73C22×C4
FrattiniC22×C4C22×#64408
FittingH(3,ℤ/4)×C73C4
socleC2×C73#1832
prime radicalC23×C73#131
cosocleC22×#10596831C23
hypercenterH(3,ℤ/4)#64408
hypocenterC73#12885
LCSG ▷ C22×C4×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C4 ◁ C22×C4 ◁ H(3,ℤ/4)

234 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 234 conjugacy classes of subgroups — too many to draw. Only its 84 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=e,c^2=d,d^2=h,e^2=h,f^2=g,g^2=h,b^a=bd,c^a=ce,i^a=i^27,c^b=cg,d^b=dh,f^b=fh,i^b=i^72,e^c=eh,f^c=fh,i^f=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, 1096872);