Finite Group Databasebeta
Cayley diagram

SD16×C31 #92490

order496
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) = C22×C3×C5×D4 (order 480) · Inn(G) = D4 · Out(G) = C22×C3×C5
homologyAbelianization (H1) = C22×C31 · Schur multiplier (H2) = C1

Aliases

direct productSD16×C31

Subgroups

subgroupG/H
center, socleC2×C31D4
commutator, Frattini, cosocleC4C22×C31
prime radicalD4×C31C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C31 ◁ C4×C31 ◁ G

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 248

A minimal faithful permutation representation — 2 generators on 39 points:

(1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39);(2,4)(3,7)(6,8)

Conjugacy classes & character table

217 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofSD16×D31, #11758491, #11758492, …
maximal subgroup ofSD16×D31, #11758491, #11758492, …
maximal normal subgroup ofSD16×D31, #11758491, #11758492, …
maximal quotient ofC31×#102, C31×#103, C31×#106, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(496, 25);