Finite Group Databasebeta
Cayley diagram

C2×#2313 #34046

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2313

Subgroups

subgroupG/H
center, socleC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1447 conjugacy classes of subgroups; only the 783 normal subgroups are shown.

normal subgroups only

This group has 1447 conjugacy classes of subgroups — too many to draw. Only its 783 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#105607, #105812, #105818, …
maximal normal subgroup of#105607, #105812, #105818, …
maximal quotient ofC2×#13776, C2×#13778, C2×#13787, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27034);