Finite Group Databasebeta
Cayley diagram

C2×#1962 #21207

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1962

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

939 conjugacy classes of subgroups; only the 263 normal subgroups are shown.

normal subgroups only

This group has 939 conjugacy classes of subgroups — too many to draw. Only its 263 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) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 14 points:

(1,2);(4,6)(7,8,10,13,11,14,9,12);(8,12,14,13);(3,4,5,6)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107762, #107765, #108347, …
maximal normal subgroup of#107762, #107765, #108347, …
maximal quotient ofC2×#9637, C2×#9638, C2×#9639, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14195);