Finite Group Databasebeta
Cayley diagram

C4×#407 #20376

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 262144
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC4×#407

Subgroups

subgroupG/H
centerC2×C42C23
commutatorC22C22×C42
Frattini, cosocleC22×C4C24
socleC23C23×C4
prime radicalC25C2×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1123 conjugacy classes of subgroups; only the 407 normal subgroups are shown.

normal subgroups only

This group has 1123 conjugacy classes of subgroups — too many to draw. Only its 407 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) = 64

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

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

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94918, #94920, #94926, …
maximal normal subgroup of#94918, #94920, #94926, …
maximal quotient ofC8×#407, #181920, #181921, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13364);