Finite Group Databasebeta
Cayley diagram

C2×C4×#121 #34028

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C210

Aliases

direct productC2×C4×#121

Subgroups

subgroupG/H
centerC23×C4C23
commutatorC22C24×C4
Frattini, cosocleC23C25
socleC24C24
prime radicalC22×#121C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C23 ▷ C1

2511 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 14 points:

(1,2);(3,4,5,6);(8,10)(11,12)(13,14);(7,8,9,10);(12,14)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#96917, #106027, #111543, …
maximal normal subgroup of#96917, #106027, #111543, …
maximal quotient ofC2×C4×#386, C2×C4×#388, C2×C4×#390, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27016);