Finite Group Databasebeta

C17×C9⋊C8 #11927428

order1224
isoclinismisoclinic class of D9
automorphism?
homologyAbelianization (H1) = C8×C17 · Schur multiplier (H2) = C1

Aliases

direct productC17×C9⋊C8
unambiguous semidirect productC9⋊(C8×C17)

Splittings

derived, SylowC9 ⋊ C8×C17
HallC9×C17 ⋊ C8

Subgroups

subgroupG/H
center, hypercenterC4×C17D9
commutator, hypocenterC9C8×C17
FrattiniC3×C4D3×C17
FittingC4×C9×C17C2
socle, prime radicalC2×C3×C17Dic3
cosocleC4×C9C2×C17
LCSG ▷ C9
UCSC1 ◁ C4×C17

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 34
transitive degreeμt(G) = 1224

A minimal faithful permutation representation — 2 generators on 34 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17)(19,21)(20,24)(22,23)(25,26)(27,28,29,31,30,32,33,34);(18,26,21,24,23,22,20,19,25)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1224, 1);