Finite Group Databasebeta

#34001007

order18688
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC73 ⋊ #7442

Subgroups

subgroupG/H
centerC22#17989488
commutatorC2×C4⋊C4×C73C2×C4
FrattiniC2×C4⋊C4C2×#64408
Fitting#343×C73C4
socleC22×C73AΣL(1,𝔽16)
prime radicalC23×C73#99
cosocle#17988452C22
hypercenter#343#64408
hypocenterC73#7442
LCSG ▷ C2×C4⋊C4×C73 ▷ C22×C4×C73 ▷ C22×C73 ▷ C2×C73 ▷ C73
UCSC1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×C4⋊C4 ◁ #343

194 conjugacy classes of subgroups; only the 36 normal subgroups are shown.

normal subgroups only

This group has 194 conjugacy classes of subgroups — too many to draw. Only its 36 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=d,b^2=eg,c^2=fg,d^2=g,e^2=h,b^a=bc,c^a=ce,e^a=eg,i^a=i^27,c^b=cf,d^b=defgh,e^b=eh,f^b=fh,g^b=gh,d^c=dgh,e^c=eh,i^d=i^72

Conjugacy classes & character table

427 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18688, 1084591);