Finite Group Databasebeta

#34012920

order18688
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #12730

Subgroups

subgroupG/H
centerC2#22625760
commutatorC22×C4×C73C22×C4
FrattiniC22×C4C22×#64408
FittingC4×#41×C73C4
socleC2×C73#1782
prime radicalC2×#41×C73C2×C4
cosocleC22×Dic146C23
hypercenterC4×#41#64408
hypocenterC73#12730
LCSG ▷ C22×C4×C73 ▷ C22×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C2 ◁ C23 ◁ #117 ◁ C4×#41

666 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 666 conjugacy classes of subgroups — too many to draw. Only its 88 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=f,b^2=h,c^2=g,d^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh,i^a=i^27,d^b=dh,f^b=fgh,i^b=i^72,e^c=eh,f^d=fh,i^f=i^72

Conjugacy classes & character table

754 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1096504);