Finite Group Databasebeta
Cayley diagram

SD16×C17 #63239

order272
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) = C2×D4×C16 (order 256) · Inn(G) = D4 · Out(G) = C2×C16
homologyAbelianization (H1) = C22×C17 · Schur multiplier (H2) = C1

Aliases

direct productSD16×C17

Subgroups

subgroupG/H
center, socleC2×C17D4
commutator, Frattini, cosocleC4C22×C17
prime radicalD4×C17C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C17 ◁ C4×C17 ◁ G

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 136

A minimal faithful permutation representation — 2 generators on 25 points:

(1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25);(2,4)(3,7)(6,8)

Conjugacy classes & character table

119 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofSD16×D17, #10587600, #10587601, …
maximal subgroup ofSD16×D17, #10587600, #10587601, …
maximal normal subgroup ofSD16×D17, #10587600, #10587601, …
maximal quotient ofC17×#102, C17×#103, C17×#106, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(272, 26);