Finite Group Databasebeta
Cayley diagram

C2×#2123 #33346

order256
nilpotency class4
isoclinismisoclinic class of #2121
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC2×#2123

Subgroups

subgroupG/H
center, socleC22C2×#99
commutatorC23C23×C4
Frattini, cosocleC2×D4C24
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1

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

normal subgroups only

This group has 607 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)(5,13)(6,10)(7,20,21,11)(8,12)(9,15,23,30)(14,27)(16,28)(17,31)(18,33,34,25)(19,26)(22,29,24,32);(3,5,8,16)(4,9,12,23)(6,17,19,14)(7,15,21,30)(10,24,26,22)(11,13,20,28)(18,32,34,29)(25,31,33,27);(3,6,8,19)(4,10,12,26)(5,14,16,17)(7,18,21,34)(9,22,23,24)(11,25,20,33)(13,27,28,31)(15,29,30,32)

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146612, #146617, #146681, …
maximal normal subgroup of#146612, #146617, #146681, …
maximal quotient ofC2×#11428, C2×#11454, C2×#11474, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26334);