Finite Group Databasebeta
Cayley diagram

C2×#1375 #12546

order256
nilpotency class2
isoclinismisoclinic class of H(3,ℤ/4)
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1375

Subgroups

subgroupG/H
centerC22×C4C42
commutatorC4C2×C4×C8
Frattini, cosocleC22×C8C23
socleC23#97
prime radicalC24M16
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

315 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 315 conjugacy classes of subgroups — too many to draw. Only its 183 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) = 64

A minimal faithful permutation representation — 3 generators on 22 points:

(1,2);(3,4)(5,6)(7,8,10,15,11,13,19,20,12,16,18,22,9,14,17,21);(4,6)(8,13,16,14)(10,18)(15,21,22,20)(17,19)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93378, #93379, #93392, …
maximal normal subgroup of#93378, #93379, #93392, …
maximal quotient ofC2×#7137, #126550, #126562, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5534);