Finite Group Databasebeta
Cayley diagram

SD16×Dic7 #89933

order448
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

direct productSD16×Dic7

Splittings

SylowC7 ⋊ C4×SD16

Subgroups

subgroupG/H
centerC22D4×D7
commutatorC4×C7C22×C4
FrattiniC2×C4C22×D7
FittingC2×C7×SD16C2
socleC22×C7C2×D4
prime radicalC2×C7×D4C22
cosocleC2×C4×C7C23
hypercenterC2×SD16D7
hypocenterC7C4×SD16
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×SD16

122 conjugacy classes of subgroups; only the 59 normal subgroups are shown.

normal subgroups only

This group has 122 conjugacy classes of subgroups — too many to draw. Only its 59 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) = 19
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 19 points:

(2,3)(4,5)(6,7)(8,9,10,11);(1,2,4,6,7,5,3)(13,16)(14,19)(17,18);(12,13,15,18)(14,16,19,17)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofSD16×Dic14, #11737077, #11737078, …
maximal normal subgroup ofSD16×Dic14, #11737077, #11737078, …
maximal quotient ofDic7×#102, #11727910, #11727924, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 695);