Finite Group Databasebeta
Cayley diagram

C2×#2166 #33425

order256
nilpotency class3
isoclinismisoclinic class of #1812
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

direct productC2×#2166

Subgroups

subgroupG/H
centerC2×C4#117
commutatorC2×C4C23×C4
Frattini, cosocleC2×C8C24
socleC22#432
prime radicalC24M16
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#97 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

269 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 269 conjugacy classes of subgroups — too many to draw. Only its 159 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) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 34 points:

(1,2);(3,4,6,12,7,13,20,29,8,11,19,27,21,10,24,26)(5,14,16,28,17,25,31,34,15,9,18,23,30,22,32,33);(3,5)(4,9)(6,18)(7,17)(8,15)(10,25)(11,14)(12,28)(13,22)(16,19)(20,32)(21,30)(23,27)(24,31)(26,33)(29,34);(4,10,11,13)(5,15)(6,19)(9,22,14,25)(12,29,27,26)(17,30)(20,24)(23,34,28,33)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#126699, #126700, #126701, …
maximal normal subgroup of#126699, #126700, #126701, …
maximal quotient ofC2×#12596, C2×#12608, C2×#12660, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26413);