Finite Group Databasebeta
Cayley diagram

C2×#2932 #60136

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2932

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC2×#532C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1403 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);(3,4)(5,6)(7,8,11,15,12,14,20,21)(9,13,17,10,16,18,22,19);(4,6)(7,9)(8,13)(10,15)(11,17)(12,16)(14,18)(19,21)(20,22);(7,10,11,18,12,19,20,13)(8,9,15,17,14,16,21,22);(8,14)(9,16)(15,21)(17,22)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106023, #106025, #106074, …
maximal normal subgroup of#106023, #106025, #106074, …
maximal quotient ofC2×#17975, C2×#17976, C2×#17977, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53124);