Finite Group Databasebeta
Cayley diagram

C2×#1391 #12576

order256
nilpotency class4
isoclinismisoclinic class of AΣL(1,𝔽16)
automorphismAut(G) order 8192
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4

Aliases

direct productC2×#1391

Subgroups

subgroupG/H
centerC2×C4#99
commutatorC23C2×C42
Frattini, cosocleC2×#41C23
socleC22#342
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C2×#41 ▷ C22 ▷ C2 ▷ C1

391 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 391 conjugacy classes of subgroups — too many to draw. Only its 119 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) = 34
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 34 points:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94283, #94285, #94287, …
maximal normal subgroup of#94283, #94285, #94287, …
maximal quotient ofC2×#7188, #126949, #126975, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5564);