Finite Group Databasebeta

D317⋊(C22⋊C8) #35204191

order20288
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD317⋊(C22⋊C8)

Splittings

SylowC317 ⋊ C2×C22⋊C8

Subgroups

subgroupG/H
centerC2×C4C2×#11929639
commutatorC2×C317C22×C8
FrattiniC22C22×#11929639
FittingC22×C4×C317C4
socleC22×C317C22×C4
prime radicalC23×D317C4
cosocleC2×Dic317C23
hypercenterC22×C4#11929639
hypocenterC317C2×C22⋊C8
LCSG ▷ C2×C317 ▷ C317
UCSC1 ◁ C2×C4 ◁ C22×C4

202 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 202 conjugacy classes of subgroups — too many to draw. Only its 70 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) = 5072

Polycyclic presentation:

2^6,317|a^2=e,e^2=f,b^a=bd,g^a=g^203,g^c=g^316,g^e=g^316

Conjugacy classes & character table

1304 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20288, 1517);