Finite Group Databasebeta
Cayley diagram

C2×#2875 #60056

order256
nilpotency class2
isoclinismisoclinic class of H(5,𝔽2)
automorphismAut(G) order 786432
homologyAbelianization (H1) = C23×C42 · Schur multiplier (H2) = C28×C4

Aliases

direct productC2×#2875

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC2C23×C42
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC22×#41C22
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1639 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2875⋊C3
maximal subgroup of#105644, #105682, #105800, …
maximal normal subgroup of#105644, #105682, #105800, …
maximal quotient ofC2×#17316, C2×#17320, C2×#17329, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53044);