Finite Group Databasebeta
Cayley diagram

C2×#448 #2998

order128
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×#448

Subgroups

subgroupG/H
center, socleC23C2×D4
commutator, Frattini, cosocleC2×C4C24
prime radicalC2×#121C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

396 conjugacy classes of subgroups; only the 124 normal subgroups are shown.

normal subgroups only

This group has 396 conjugacy classes of subgroups — too many to draw. Only its 124 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) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 14 points:

(1,2);(3,4)(5,6)(8,11)(9,13)(12,14);(7,8,10,12)(9,14,13,11);(4,6)

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#9039, #9262, #9916, …
maximal normal subgroup of#9039, #9262, #9916, …
maximal quotient ofC2×#1596, C2×#1608, C2×#1599, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1730);