Finite Group Databasebeta

#21462147

order7808
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC61 ⋊ #2148

Subgroups

subgroupG/H
centerC2C2×#14519839
commutatorC8×C61C22×C4
FrattiniC8C22×#6923
Fitting#135×C61C4
socleC2×C61C2×#102
hypercenter#135#6923
hypocenterC61#2148
LCSG ▷ C8×C61 ▷ C4×C61 ▷ C2×C61 ▷ C61
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ #135

220 conjugacy classes of subgroups; only the 62 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 62 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=g,d^2=f,e^2=g,f^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^11,d^b=dfg,e^b=eg,f^b=fg,h^c=h^60,h^e=h^60

Conjugacy classes & character table

242 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#30606621, #30606642, #30606964, …
maximal normal subgroup of#30606621, #30606642, #30606964, …
maximal quotient of#30604419, #30604421, #30604422, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7808, 20838);