Finite Group Databasebeta
Cayley diagram

C2×#1384 #12564

order256
nilpotency class4
isoclinismisoclinic class of #365
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4

Aliases

direct productC2×#1384

Subgroups

subgroupG/H
centerC2×C4#106
commutatorC8C2×C42
Frattini, cosocleC22×C8C23
socleC22#340
prime radicalC24D8
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 293 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 — 3 generators on 34 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94347, #94349, C4×#1384, …
maximal normal subgroup of#94347, #94349, C4×#1384, …
maximal quotient ofC2×#7157, #126656, #126693, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5552);