Finite Group Databasebeta
Cayley diagram

C8×#135 #17845

order256
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25

Aliases

direct productC8×#135

Subgroups

subgroupG/H
centerC4×C8D4
commutatorC4C23×C8
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radicalC2×#135C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

375 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 24 points:

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#122440, #122441, #122452, …
maximal normal subgroup of#122440, #122441, #122452, …
maximal quotient ofC8×#416, C8×#427, C4×C8×D8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10833);