Finite Group Databasebeta
Cayley diagram

C2×#1306 #8111

order256
nilpotency class3
isoclinismisoclinic class of #1304
automorphismAut(G) order 32768
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1306

Subgroups

subgroupG/H
center, socleC23#95
commutatorC23C2×C42
Frattini, cosocleC23×C4C23
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

471 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 471 conjugacy classes of subgroups — too many to draw. Only its 127 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) = 26
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 26 points:

(1,2);(3,4)(5,9)(6,8)(7,10)(11,12)(13,19,20,16)(14,18)(15,17)(21,25,26,23)(22,24);(3,5)(4,7,8,9)(6,10)(11,13,14,21,15,20,22,26)(12,16,18,23,17,19,24,25)

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94292, #94296, C4×#1306, …
maximal normal subgroup of#94292, #94296, C4×#1306, …
maximal quotient ofC2×#7032, #95111, #95118, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1099);