Finite Group Databasebeta
Cayley diagram

C2×#2952 #60166

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×#2952

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
prime radicalC22×#135C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ 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);(3,4,6,5)(7,8,13,18)(9,19,10,15)(11,17,12,16)(14,21,22,20);(7,9,13,10)(8,14,18,22)(11,20,12,21)(15,16,19,17);(3,5,6,4)(7,10,13,9)(8,15,18,19)(11,20,12,21)(14,16,22,17);(7,11,13,12)(8,16,18,17)(9,20,10,21)(14,19,22,15)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146761, #146763, #146781, …
maximal normal subgroup of#146761, #146763, #146781, …
maximal quotient ofC2×#17858, C2×#17882, C2×#17899, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53154);