Finite Group Databasebeta
Cayley diagram

C2×#1411 #13588

order256
nilpotency class5
isoclinismisoclinic class of #1408
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

direct productC2×#1411

Subgroups

subgroupG/H
center, socleC22#353
commutatorC42C22×C4
Frattini, cosocleC4⋊Q8C23
prime radicalC23#99
LCSG ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C22×C4 ◁ C2×C4⋊Q8 ◁ G
LECSG ▷ C4⋊Q8 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1

199 conjugacy classes of subgroups; only the 47 normal subgroups are shown.

normal subgroups only

This group has 199 conjugacy classes of subgroups — too many to draw. Only its 47 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);(3,4,6,11,8,13,20,30)(5,14,15,28,17,25,32,33)(7,12,22,29,23,10,19,27)(9,18,24,21,26,31,34,16);(3,5,8,17)(4,9,13,26)(6,18,20,31)(7,21,23,16)(10,25,12,14)(11,28,30,33)(15,19,32,22)(24,29,34,27)

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94777, #94796, #94802, …
maximal normal subgroup of#94777, #94796, #94802, …
maximal quotient ofC2×#7355, C2×#7370, #149692, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6576);