Finite Group Databasebeta
Cayley diagram

C2×#1899 #20982

order256
nilpotency class3
isoclinismisoclinic class of #1468
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#1899

Subgroups

subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

1033 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 1033 conjugacy classes of subgroups — too many to draw. Only its 247 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 — 4 generators on 22 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107254, #108262, #110089, …
maximal normal subgroup of#107254, #108262, #110089, …
maximal quotient ofC2×#9080, C2×#9082, #195924, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13970);