Finite Group Databasebeta
Cayley diagram

C4×#359 #12639

order256
nilpotency class4
isoclinismisoclinic class of D16
automorphismAut(G) order 8192
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

direct productC4×#359

Subgroups

subgroupG/H
centerC42D8
commutatorC8C2×C42
Frattini, cosocleC22×C8C23
socleC22C2×#102
prime radicalC2×#135C22
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C42 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

225 conjugacy classes of subgroups; only the 99 normal subgroups are shown.

normal subgroups only

This group has 225 conjugacy classes of subgroups — too many to draw. Only its 99 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) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

(1,2,3,4);(5,6,9,14,11,15,10,25)(7,16,18,32,19,33,26,30)(8,20,22,31,24,35,23,13)(12,21,27,34,29,36,28,17);(5,7)(6,12)(8,21)(9,18)(10,26)(11,19)(13,30)(14,27)(15,29)(16,20)(17,23)(22,34)(24,36)(25,28)(31,32)(33,35)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×#359, #128669, #128708, …
maximal normal subgroup ofC8×#359, #128669, #128708, …
maximal quotient ofC4×#1331, C4×#1332, #128585, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5627);