Finite Group Databasebeta
Cayley diagram

C2×#2133 #33366

order256
nilpotency class4
isoclinismisoclinic class of #2127
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2133

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC2×C4C23×C4
Frattini, cosocleC2×Q8C24
prime radicalC22×#41C4
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24 ◁ C23×Q8 ◁ G
LECSG ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1

599 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 599 conjugacy classes of subgroups — too many to draw. Only its 183 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);(3,4,7,11,8,12,23,30)(5,13,16,31,14,27,21,33)(6,17,19,29,20,10,22,28)(9,24,26,18,25,32,34,15);(3,5)(4,9)(6,18)(7,21)(8,14)(10,27)(11,26)(12,25)(13,17)(15,20)(16,23)(19,24)(22,32)(28,33)(29,31)(30,34);(5,14)(9,25)(13,27)(15,18)(16,21)(24,32)(26,34)(31,33)

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146659, #146676, #146703, …
maximal normal subgroup of#146659, #146676, #146703, …
maximal quotient ofC2×#11432, C2×#11448, C2×#11480, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26354);