Finite Group Databasebeta

SD16⋊#92420 #21461408

order7808
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productSD16⋊#92420

Splittings

SylowC61 ⋊ SD16⋊C8

Subgroups

subgroupG/H
centerC22D4×#6923
commutatorC4×C61C22×C8
FrattiniC2×C4C22×#6923
FittingC2×SD16×C61C4
socleC22×C61C4×D4
hypercenterC2×SD16#6923
hypocenterC61SD16⋊C8
LCSG ▷ C4×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×SD16

176 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 176 conjugacy classes of subgroups — too many to draw. Only its 72 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^7,61|a^2=e,c^2=e,d^2=f,e^2=g,b^a=bd,c^a=cf,d^a=df,h^a=h^11,d^b=df,h^c=h^11,h^e=h^60

Conjugacy classes & character table

254 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×SD16⋊#92420, D61⋊(SD16⋊C8), #30612297, …
maximal normal subgroup ofC2×SD16⋊#92420, D61⋊(SD16⋊C8), #30612297, …
maximal quotient of#30597676, #30597680, #30598052, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7808, 20099);