Finite Group Databasebeta
Cayley diagram

C2×#2956 #60180

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2956

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
socleC22C2×C4×D4
prime radicalC2×#575C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×M16 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1337 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 5 generators on 18 points:

(1,2);(3,4,7,11,8,5,12,10)(6,9,15,17,14,13,18,16);(3,5)(4,8)(6,13)(7,10)(9,14)(11,12)(15,16)(17,18);(3,6,7,15,8,14,12,18)(4,9,11,17,5,13,10,16);(6,14)(9,13)(15,18)(16,17)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129511, #356645, #356680, …
maximal normal subgroup of#129511, #356645, #356680, …
maximal quotient ofC2×#17852, C2×#17853, #6344518, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53168);