Finite Group Databasebeta

D17⋊#1840 #17969593

order4352
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD17⋊#1840

Splittings

SylowC17 ⋊ C2×#1840

Subgroups

subgroupG/H
centerC22×C4C22×#595
commutator, socleC23×C17C23×C4
FrattiniC23C23×#595
FittingC17×#376C4
prime radicalC23×D17C22×C4
cosocleC22×Dic17C24
hypercenter#376#595
hypocenterC17C2×#1840
LCSG ▷ C23×C17 ▷ C17
UCSC1 ◁ C22×C4 ◁ #376

894 conjugacy classes of subgroups; only the 272 normal subgroups are shown.

normal subgroups only

This group has 894 conjugacy classes of subgroups — too many to draw. Only its 272 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) = 2176

Polycyclic presentation:

2^8,17|a^2=g,b^2=ef,c^2=e,g^2=h,b^a=be,c^a=cf,i^a=i^13,c^b=ch,i^d=i^16,i^g=i^16

Conjugacy classes & character table

248 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4352, 1104837);