Finite Group Databasebeta

C7×#1720 #11730189

order896
nilpotency class3
isoclinismisoclinic class of #1714
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C8

Aliases

direct productC7×#1720

Subgroups

subgroupG/H
center, socleC22×C7#127
commutator, Frattini, cosocleC42C23×C7
prime radicalC7×#127C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C7 ◁ C42×C7 ◁ G

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

normal subgroups only

This group has 186 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

minimal degreeμ(G) = 31
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 3 generators on 31 points:

(1,2,3,4,5,6,7)(8,9,13,10)(11,12,15,14)(16,17,20,23)(18,24,26,31)(19,28,25,22)(21,29,30,27);(8,10,12,15,13,9,14,11)(16,18,25,29,20,26,19,27)(17,21,28,31,23,30,22,24);(8,11,12,10,13,15,14,9)(18,26)(21,30)(24,31)(27,29)

Conjugacy classes & character table

182 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1720, #13341566, #13341616, …
maximal subgroup ofC2×C7×#1720, C7×#19613, C7×#19619, …
maximal normal subgroup ofC2×C7×#1720, C7×#19613, C7×#19619, …
maximal quotient ofC7×#8821, C7×#9827, C7×#9828, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 4955);