Finite Group Databasebeta

D17⋊#353 #14545050

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

Aliases

unambiguous semidirect productD17⋊#353

Splittings

FittingC17×#127 ⋊ C4
SylowC17 ⋊ C2×#353

Subgroups

subgroupG/H
centerC2D17⋊#99
commutatorC2×C4×C17C22×C4
FrattiniC2×C4C22×#595
FittingC17×#127C4
socleC2×C17C2×#99
prime radical#127×D17C2
cosocleC2×D68C23
hypercenter#127#595
hypocenterC17C2×#353
LCSG ▷ C2×C4×C17 ▷ C22×C17 ▷ C2×C17 ▷ C17
UCSC1 ◁ C2 ◁ C22 ◁ C2×D4 ◁ #127

368 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 368 conjugacy classes of subgroups — too many to draw. Only its 54 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) = 136

Polycyclic presentation:

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

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#17949455, #17949487, #17949504, …
maximal normal subgroup of#17949455, #17949487, #17949504, …
maximal quotient of#17958142, #17958195, #17958300, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2176, 20776);