Finite Group Databasebeta
Cayley diagram

C2×#2931 #60135

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2931

Subgroups

subgroupG/H
centerC22×C8C23
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC2×#532C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1447 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)(7,8,12,15,11,14,20,22)(9,16,18,19,17,13,21,10);(4,6)(7,9)(8,13)(10,15)(11,17)(12,18)(14,16)(19,22)(20,21);(7,10,12,16,11,19,20,13)(8,9,15,18,14,17,22,21);(8,14)(9,17)(15,22)(18,21)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106035, #106038, #106059, …
maximal normal subgroup of#106035, #106038, #106059, …
maximal quotient ofC2×#17956, C2×#17957, C2×#17958, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53123);