Finite Group Databasebeta
Cayley diagram

C2×#1963 #21208

order256
nilpotency class3
isoclinismisoclinic class of #468
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1963

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C2×C22⋊C4
prime radicalC2×#532C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 831 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);(4,6)(7,8,11,14,12,15,10,20)(9,16,19,21,17,22,18,13);(7,9)(8,13,15,21)(10,18)(11,19)(12,17)(14,16,20,22);(3,4,5,6)(9,17)(13,21)(16,22)(18,19)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107296, #107298, #107352, …
maximal normal subgroup of#107296, #107298, #107352, …
maximal quotient ofC2×#9640, C2×#9641, C2×#9642, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14196);