Finite Group Databasebeta

D17⋊#328 #14544153

order2176
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD17⋊#328

Splittings

FittingC17×C22⋊Q8 ⋊ C4
SylowC17 ⋊ C2×#328

Subgroups

subgroupG/H
centerC22C2×C22⋊#595
commutatorC2×C4×C17C22×C4
FrattiniC2×C4C22×#595
FittingC17×C22⋊Q8C4
socleC22×C17C2×C22⋊C4
prime radicalC23×D17D4
cosocleC2×C4×D17C23
hypercenterC22⋊Q8#595
hypocenterC17C2×#328
LCSG ▷ C2×C4×C17 ▷ C22×C17 ▷ C17
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22⋊Q8

336 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 336 conjugacy classes of subgroups — too many to draw. Only its 74 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) = 272

Polycyclic presentation:

2^7,17|a^2=e,b^2=f,d^2=g,b^a=bd,d^a=df,h^a=h^13,d^b=dg,e^b=efg,h^c=h^16,h^e=h^16

Conjugacy classes & character table

94 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#328×#595, #17952061, #17952071, …
maximal normal subgroup of#328×#595, #17952061, #17952071, …
maximal quotient of#17949640, #17949647, #17949665, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2176, 19879);