Finite Group Databasebeta
Cayley diagram

C4×#493 #21687

order256
nilpotency class3
isoclinismisoclinic class of #465
automorphismAut(G) order 262144
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC4×#493

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C22×D4
prime radicalC2×#493C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C43 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

711 conjugacy classes of subgroups; only the 231 normal subgroups are shown.

normal subgroups only

This group has 711 conjugacy classes of subgroups — too many to draw. Only its 231 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) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#99599, #99609, #101996, …
maximal normal subgroup of#99599, #99609, #101996, …
maximal quotient ofC8×#493, #212805, #212814, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14675);