Finite Group Databasebeta
Cayley diagram

C2×#2873 #60054

order256
nilpotency class2
isoclinismisoclinic class of H(5,𝔽2)
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C23×C42 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2873

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC2C23×C42
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC25C2×C4
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1671 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

Frattini subgroup of#72292995
maximal subgroup of#105598, #105608, #107080, …
maximal normal subgroup of#105598, #105608, #107080, …
maximal quotient ofC2×#17314, C2×#17319, C2×#17324, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53042);