Finite Group Databasebeta
Cayley diagram

C2×#2212 #33591

order256
nilpotency class4
isoclinismisoclinic class of #2212
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#2212

Subgroups

subgroupG/H
center, socleC22#459
commutator, Frattini, cosocleC2×C8C24
prime radicalC2×#509C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 353 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 — 4 generators on 34 points:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2212, #495834, #495847, …
maximal normal subgroup ofC4×#2212, #495834, #495847, …
maximal quotient ofC2×#12416, C2×#12420, C2×#12417, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26579);