Finite Group Databasebeta
Cayley diagram

C2×#1298 #8053

order256
nilpotency class3
isoclinismisoclinic class of #327
automorphismAut(G) order 32768
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1298

Subgroups

subgroupG/H
centerC22×C4C22⋊C4
commutatorC2×C4C2×C42
Frattini, cosocleC23×C4C23
socleC23#95
prime radicalC25Q8
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ C24×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

469 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 469 conjugacy classes of subgroups — too many to draw. Only its 143 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)(11,12,14,19,16,20,15,18)(13,21,22,17,24,25,23,26);(3,5)(4,7,8,9)(6,10)(11,13,15,23,16,24,14,22)(12,17,19,25,20,26,18,21)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94300, #94302, C4×#1298, …
maximal normal subgroup of#94300, #94302, C4×#1298, …
maximal quotient ofC2×#7044, #95296, #95298, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1041);