Finite Group Databasebeta

D17⋊#424 #14545424

order2176
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD17⋊#424

Splittings

SylowC17 ⋊ C2×#424

Subgroups

subgroupG/H
centerC2×C4C22×#595
commutator, socleC22×C17C23×C4
FrattiniC22C23×#595
FittingC17×#117C4
prime radicalC23×D17C2×C4
cosocleC2×Dic17C24
hypercenter#117#595
hypocenterC17C2×#424
LCSG ▷ C22×C17 ▷ C17
UCSC1 ◁ C2×C4 ◁ #117

512 conjugacy classes of subgroups; only the 210 normal subgroups are shown.

normal subgroups only

This group has 512 conjugacy classes of subgroups — too many to draw. Only its 210 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) = 544

Polycyclic presentation:

2^7,17|a^2=f,b^2=e,f^2=g,b^a=be,h^a=h^13,c^b=cg,h^d=h^16,h^f=h^16

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#17957180, #17957183, #17957195, …
maximal normal subgroup of#17957180, #17957183, #17957195, …
maximal quotient ofD17⋊#1570, D17⋊#1571, D17⋊#1572, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2176, 21150);