Finite Group Databasebeta
Cayley diagram

C2×#1970 #21223

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 524288
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#1970

Subgroups

subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D8C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1023 conjugacy classes of subgroups; only the 303 normal subgroups are shown.

normal subgroups only

This group has 1023 conjugacy classes of subgroups — too many to draw. Only its 303 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) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 18 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#102068, #102077, #102084, …
maximal normal subgroup of#102068, #102077, #102084, …
maximal quotient ofC2×#9657, C2×#9663, #204290, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14211);